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How to Determine the Age of Your Rolex Watch With Its Serial Number

One of the most important details when shopping for Rolex watches is the age of the timepieces you’re considering. As a company, Rolex has been in business for over a century and during this time, the brand has produced countless watches, with only subtle changes taking place between the different references over the years. Rolex serial numbers are one of the best ways to determine the age of a watch, but they can be rather confusing – especially if you’re not already familiar with them.

The year that your Rolex was produced plays a significant role in the overall value of your watch. Additionally, knowing the year of production will go a long way towards helping you verify whether or not a watch’s components are correct for its reference. This guide will outline some of the key factors used to determine the age of a Rolex watch to hopefully make the buying and selling process a little less stressful.

Click here for our Rolex Manufacture Date Look-Up Tool & Chart.

How to Find Your Rolex Serial Number

First, let’s start with the serial number, which is typically six to eight digits long and can consist of either numbers and letters or just numbers. A Rolex serial number correlates to the production date and is relatively easy to find if you know where to look. The unique serial number is engraved directly onto the metal of the case. The engraving is located between the lugs on the 6 o’clock side, which can only be seen once that side of the bracelet has been removed from the case.

Beginning in 2005, Rolex started to also engrave the serial number on the rehaut (inner bezel) between the dial and the crystal. However, starting in 2008, the brand transitioned to engraving the serial number only on the rehaut. On modern Rolex watches, the serial number can be viewed by simply looking through the crystal rather than by removing the bracelet.

Rolex Serial Numbers and Reference Numbers

Although Rolex has never published an official resource regarding serial numbers and their corresponding years of production, generations of Rolex owners have amassed a collective knowledge base that can accurately identify the specific year a given Rolex was manufactured, based on its serial number engraving.

With that in mind, the year of production can often pre-date the actual purchase date of a watch by up to several years. Therefore, it is not uncommon to find older Rolex watches with serial number engravings that correspond to production dates that are a few years before the date that is printed on their original purchase receipt.

Rolex Serial Number History

The first Rolex serial numbers consisted of only numerical figures, containing a maximum of six digits, and increasing sequentially from one year to the next. Around the mid-1950s, Rolex reached the limit of its six-digit serial number system and reset the count, starting the serial numbers over again. However, in the mid-1960s, when Rolex reached the end of its six-digit system once more, the brand added a seventh digit and continued to count upwards from there.

In 1987, Rolex reached the end of its seven-digit serial number system, and rather than adding yet another digit to the length of its serial numbers, the brand chose to turn the first digit into a letter. Each subsequent year of production was marked by a different letter at the beginning of the serial number (more or less), with the following six numerical digits serving as the identification number between the different watches that were manufactured within the same series. With that in mind, some letters spanned multiple years, while other years contained more than one letter.

Rolex continued with this practice until 2011 when it switched to a random serial number system that makes it virtually impossible to tell when exactly a watch left the factory. All watches manufactured between 2011 and the present will have an eight-digit random serial number engraved into the bottom of the inner bezel, directly under the crystal.

Accurate Rolex Database

After locating your serial number, visit our accurate Rolex Serial Numbers page (link above), where you will find a production date reference tool and accompanying chart. Simply enter your serial number and click the “submit” button. You will be redirected to a page that will clearly state the exact year that your watch was manufactured.

To view other years of production and their corresponding serial numbers, just reference the chart on our Rolex Serial Numbers page, where you will find a complete list dating back to 1926, along with additional charts that outline the meaning behind Rolex reference numbers, bracelet codes, bezel identifiers, and more

Rolex Reference Numbers:

Another good indication of your Rolex’s age is the model number, which is also frequently referred to as a reference number. Depending on the year of production, Rolex reference numbers are 4 to 6 digits long (although some gem-set editions feature an additional 2 to 4 letters at the end of their reference number to denote gemstone type or bezel color). Newer model Rolex watches feature 6-digit model numbers. For example, you can assume that a Rolex with a 6-digit reference number was produced after 2000.

Additionally, you can also determine the metal finish, bezel, and model type of newer Rolex watches just by their model number. This number is also engraved on the case, but between the lugs on the 12 o’clock side. While the model number may or may not give you the exact production year, it’s a great starting point when researching the history of your Rolex, as this will at least give you an approximate range of years during which it was originally manufactured.

Features that can Help Determine the Age of your Rolex:

While the serial number itself is the absolute best way to determine the age of your Rolex, there are a number of physical traits that can also help you determine an approximate year of production.

The type of crystal is another factor to consider. For decades, Rolex used acrylic crystals on its watches, which boast a distinctive, thicker design unique to older models. In the 1970s, the first Rolex fixed with a sleeker sapphire crystal hit the market alongside the quartz-powered ref. 5100. Rolex slowly integrated the upgraded crystal into its entire catalog, where it remains a fixture today.

The implementation of sapphire crystals was not symmetrical across all models, and Rolex continued to use acrylic crystals on certain watches up until the early 1990s. Today, every single model in Rolex’s catalog is fitted with a scratch-resistant sapphire crystal and this gives older references with acrylic crystals an unmistakable vintage aesthetic.

Upon closer inspection of the clasp, you will discover a code based on the month and year the clasp was produced. If you know exactly what to look for (and if the bracelet is original to the watch), this code will also give you a relatively good idea of when your Rolex was made. However, in the exact same way that it is not uncommon to find a Rolex watch with a serial number engraving that corresponds to a date that is earlier than its purchase papers, you will frequently find Rolex watches with clasp codes that correspond to a year that is slightly later than the one indicated by the serial number engraving.

The luminous material on the dial of your Rolex can also be a clue as to when your watch was produced. Rolex used radium-based lume on all its watches until 1963 when Tritium replaced it amid growing concerns about Radium’s radioactive properties. Tritium is also radioactive; however, not nearly as much as radium and it was thus deemed safer to handle. This material remained in production until photoluminescent LumiNova became a Rolex staple in 1998. In 2000, Super-LumiNova replaced LumiNova, followed by Rolex’s proprietary Chromalight in 2008, which is characterized by its distinctive blue glow.

During the brand’s infancy, Rolex used to equip its timepieces with leather straps and then later relied on outsourced metal bracelets, most notably from Gay Frères SA. It wasn’t until 1945 that Rolex would introduce its own in-house bracelet design – the Jubilee – which was specifically created for the launch of the Datejust collection. The Oyster bracelet made its official debut just a few years later in 1948 (although it was patented in February 1947), while the President bracelet hit the market in 1956, the Pearlmaster bracelet arrived in 1992, and the Oysterflex bracelet was introduced in 2015.

Sports Watch Bezels:

The bezel is another feature that is easy to distinguish at first glance and can certainly offer clues as to your Rolex’s age. However, the gaps between when the bezel materials were produced are pretty significant and while they will give you a rough estimate of age, they won’t narrow down the specific production year of your Rolex watch all that much.

Without going into too much detail here, early examples featured bezel inserts crafted from anodized aluminum (or bakelite on the very earliest examples of the GMT-Master ref. 6542). Rolex continued to use aluminum bezel inserts on its sports watches until 2005 (with the exception of certain vintage Daytona models that had black acrylic bezels, which were produced into the 1980s). In 2005, Rolex introduced its proprietary ceramic material known as Cerachrom, which has since become its bezel material of choice and can now be found on the majority of Rolex’s sports models, while the older aluminum bezel inserts have been discontinued entirely.

Continuous Progress and Evolution

Rolex rarely releases brand-new models. Instead, the company prefers to make small changes to its pillar collections with an approach that is evolutionary rather than revolutionary. With that being said, there is a seemingly infinite amount of design configurations to sift through when researching your watch, and (generally speaking) older Rolex watches can be found with significantly more variation than their modern counterparts.

While this guide gives you an overview of all the basics you will need to know when determining the age of your Rolex, it merely scratches the surface of what the brand has produced over the past century. Armed with the information provided here, it should make the process of determining your Rolex’s age and its value just a little bit easier.

About Paul Altieri

Paul Altieri is a vintage and pre-owned Rolex specialist, entrepreneur, and the founder and CEO of BobsWatches.com. - the largest and most trusted name in luxury watches. He is widely considered a pioneer in the industry for bringing transparency and innovation to a once-considered stagnant industry. His experience spans over 35 years and he has been published in numerous publications including Forbes, The NY Times, WatchPro, and Fortune Magazine. Paul is committed to staying up-to-date with the latest research and developments in the watch industry and e-commerce, and regularly engages with other professionals in the industry. He is a member of the IWJG, the AWCI and a graduate of the GIA. Alongside running the premier retailer of pre-owned Rolex watches, Paul is a prominent Rolex watch collector himself amassing one of the largest private collections of rare timepieces. In an interview with the WSJ lifestyle/fashion editor Christina Binkley, Paul opened his vault to display his extensive collection of vintage Rolex Submariners and Daytonas. Paul Altieri is a trusted and recognized authority in the watch industry with a proven track record of expertise, professionalism, and commitment to excellence.

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– The Ultimate Rolex Reference Numbers Guide

The ultimate rolex reference numbers guide.

• Christine Ye
• March 15, 2024

What Is A Rolex Reference Number?

You might be surprised to learn that Rolex reference numbers can reveal quite a bit of information about a Rolex watch . Also known as the model number or style number, these numbers provide information about the model type, material, production period, and more. Below is a Rolex reference numbers chart which outlines the first 2-4 digits of each model, such as the Submariner , Datejust , Day-Date , Yacht-Master , and so on.

Rolex Reference Number Model Chart

Rolex reference numbers can be four to six digits long. The first reference numbers were four digits, and in the late-1970s, Rolex began switching to five-digit reference numbers. Around the 2000s, Rolex transitioned to six-digit reference numbers, often just adding a “1” to the beginning of the five-digit reference numbers. Therefore, depending on the number of digits a reference number has, it can tell you the approximate era in which a watch was produced.

In general, the length of the Rolex reference number indicates the following time periods:

• 4-Digit Reference numbers: Vintage Rolex watch produced prior to the late-1970s
• 5-Digit Reference numbers: Discontinued Rolex watch produced anywhere from the late-1970s until 1999
• 6-Digit Reference: Modern Rolex watch produced anywhere from 2000 to the present

A Rolex reference number can be found between the lugs at the 12 o’clock side of the case

Case Material and Bezel Style

While the first few digits convey the model type, the last digit (in five and six-digit Rolex reference numbers only) reveals the material of the watch.

Rolex Material Codes

The second-to-last digit (in the five or six-digit Rolex reference numbers) indicates the bezel style of Rolex dress watches, such as the Datejust , Day-Date , and Oyster Perpetual . This does not apply to Rolex sports watches like the Submariner , GMT-Master , Explorer  or Daytona .

Rolex Bezel Codes

Bezels from left to right: smooth, fluted, Turn-O-Graph

Finally, some Rolex reference numbers also include letters at the end. These letters are abbreviations to signify either the color of the bezel or the types of gems used in the bezel. There is one instance where the letters refer to the color of the sapphire crystal. Since most of these abbreviations are in French, we have included the translations and abbreviation meanings below.

Rolex Reference Letters Codes

Left to right: Rolex GMT-Master II Ref. 116710BLNR, Submariner Date Ref. 116659SABR, Milgauss Ref. 116400GV

Appreciating The Rolex Reference Number

Once you understand the structure of the Rolex reference number, it is easier to identify the details of a specific watch, such as the type of materials, bezel type, dial color, or which model you possess. Rather than a random string of digits and letters, the reference number is a code that once understood, can help to reveal the model, era, case size, and bezel style of a Rolex watch.

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Rolex Reference Number Guide: Complete Resource List

Rolex Reference number Guide: The Go-to Resource List

All Rolex watches have two engravings on the metal of its case. These engravings are what are known as the reference number and the serial number. The serial number can be found on the 6 o’clock side of the case of the watch, but from 2010, Rolex started engraving the serial number of their watches on the rehaut instead, which is the inner metal ring below the crystal. During a period, though, some Rolex watches got the serial number engraved both on the case and on the rehaut, but on modern Rolex watches, the serial number is only engraved on the rehaut.

Then, we have the second engraving, which is what we’ll be focusing on in this article, and that is the Rolex reference number. The reference number is engraved on the 12 o’clock side of the case.

The reference number is engraved between the lugs of the watch, on the case

Now, the serial number and reference number of a Rolex watch aren’t engraved by accident, but instead, they actually have several important purposes.

The reference number of a Rolex watch describes more about what watch it is, which model, and what elements it is made up of.

The serial number, on the other hand, can tell you when the watch was manufactured, and also work as a unique identification number for your watch.

Of course, if you know nothing about Rolex reference numbers or serial numbers, the numbers won’t tell you anything. To most people, these numbers mean nothing, but they actually give quite a lot of information, and each digit represents a defining characteristic of the watch.

In the middle of the 1950s, Rolex reached 999,999 which caused them to start over at 100,000. During this transition time (transition years), Rolex also stamped the date of the watch on the inside of the casebook, and they did so by using Roman numbers for each quarter.

Since Rolex has used reference numbers for a long time, the way they are used and how long the number is has evolved over the years. The Rolex reference numbers can vary between 4 to 6 digits in length.

Now, what each of the numbers means, and what each digit position in the number tells us, we’ll go into detail further on, but let’s go over them quickly, to begin with.

The first two or three digits in the Rolex reference number gives you information about which model it is. This is a huge help since by only knowing the two or three first digits that each model is represented by, you can instantly tell which model is being spoken about from the Rolex reference number.

When we say ”the model”, it is the most defining characteristic of that particular model type, which includes its size and the type of movement used in the watch.

If the Rolex reference number is made up of five digits, the 4th digit will refer to the style of the bezel on that watch. Note that there are some exceptions to this.

The last number in the reference number tells you which material the watch is made from.

When it comes to metal, it may sound unnecessary since you can clearly see what material a watch is made of, however, that’s not always the case.

In fact, when Rolex uses things like a mixture of white gold and stainless steel, it can be mistaken to only be stainless steel, or when Rolex uses their Rolesium metal, which is a mixture of titanium and Stainless steel.

In especially these cases, it gets much easier to identify which materials a Rolex watch is actually made in, since the eye may be tricked sometimes.

Furthermore, the Rolex reference is also great for identifying whether or not the watch is original or if certain parts have been changed. By looking at the Rolex reference number, you can identify which elements the watch should have, and then inspect the watch to confirm that.

When talking about serial numbers, Rolex began using a letter as the first digit of their serial numbers in 1987 to signify the year of production for that specific watch.

The Rolex reference number can’t be used to identify which year your watch was made, and that’s when the serial number comes in handy.

Rolex reference numbers: more helpful information

Rolex reference numbers can actually be used to distinguish counterfeit Rolex watches in some cases. The fact is that many counterfeit Rolex doesn’t even have the reference number engraved, and if they do, they tend to have completely made-up imaginary numbers. If the case is that the counterfeit watch has the real reference number, you’ll still be able to tell a real from a fake by looking at the quality of the engraving. Fake watch engravings tend to have an acid-etched look while the real watches have a   diamond engraving made to perfection.

On Rolex watches that were made before the 1980s, you’ll find a four-digit reference number, but on the flip side, on Rolex models released between the 1980s and 2000, you’ll find a 5 digit number.

The first two or three digits of the reference number can be used to identify the model of the watch, and we’ll present a list further on with the first numbers in the Rolex reference number and what model it alludes to.

The modern Rolex watches released from 2000 and onwards will have a 6-digit reference number with a number “1” prefacing the 5-digit reference number. The numeric preface may change as more models are released.

• The 5th digit refers to the bezel type
• The 6th digit refers to the bracelet type.

Now, you’re aware of the fact that Rolex reference numbers can give us quite a lot of information about the different Rolex models, but what exactly is it they tell us?

Well, each digit in the Rolex reference number actually refers to a particular element of the watch, and the different numbers tell us different things about the watch.

On traditional Rolex models, the first three digits in the reference number tell us what model the watch is.

These three digits can be used to determine the model of traditional Rolex models:

• 140 = Oyster Perpetual Air-King and Submariner
• 142 = Oyster Perpetual Chronometer 34mm and Explorer
• 152 = Oyster Perpetual Date – Mens 34 mm
• 162 = Oyster Perpetual Datejust Men’s 36mm
• 165 = Explorer II
• 166 = Submariner, SeaDweller, Yachtmaster 40mm
• 167 = GMT Master II
• 170 = Oyster Quartz Datejust
• 189 = Oyster Perpetual Special Edition
• 190 = Oyster Quartz Day-Date
• 1165 Cosmograph Daytona
• 1182 Oyster Perpetual Day-Date
• 1183 Oyster Perpetual Day-Date Serti (With Diamonds)

The modern Rolex models after 2004-2006 have an extra ”1” which is added to the beginning of the reference number which tells us that it is the modern version of an existing model. For example, while the older version no-date Submariner has the reference number 14060, the new ceramic no-date submariner has the reference number 114060, allowing us to differentiate the modern from the older model.

The sixth digit in the reference number, which is the last number of modern Rolex watches, is the digit that refers to the watch’s metal. For watches with a reference number with fewer digits than 6, the last digit in the reference number tells you what metal type it is made of.

The following numbers tell you that the different materials are used:

• 0 = Stainless Steel
• 1 = Stainless steel and Everose Gold ( Everose Rolesor )
• 2 = Stainless steel and Platinum (Yachtmaster)
• 3 = Stainless Steel and 18k Yellow gold (Yellow Rolesor)
• 4 = Stainless Steel and 18k White gold (White Rolesor)
• 5 = Gold Shell (No Longer in use)
• 6 = Platinum
• 7 = 14k Yellow gold (No Longer Used)
• 8 = 18k Yellow gold
• 9 = 18k White gold
• BIC = Bi-Color 18k Yellow and White gold combo
• TRIDOR = 18k Yellow, White, and Rose gold

Bezel code in the Rolex reference number

The 5th digit in the Rolex reference number tells us what type of bezel the watch has.

0 Smooth/Domed

• Engine Turned
• Pyramide -Not in use
• Special – Not currently in use
• Open -Not Currently in use

Rolex Submariner reference numbers

• 6204:  First Submariner without crown guards and 37mm case.
• 6205: Early Submariner without crown guards and 37mm case.
• 6200:  Early Submariner without crown guards and famous for its’ 3-6-9 “Explorer dial”.
• 6536:  Early Submariner with bigger crown and 38mm case.
• 6536/1:  Early Submariner with a small crown and known for its appearance in the first James Bond movie.
• 6538:  Early Submariner that can be seen both with the 3-6-9 dial and an ordinary in its 38mm case.
• A/6538:  Modded 6538 and the first MilSub made for Special Boat Squadron in 21 copies, was never sold on the civilian market.
• 5508:  Early Submariner with no crown guards and 37mm case.
• 5510:  Early Submariner with a 38mm case without crown guards.
• 5512:  A new case with crown guards and 40mm, COSC-certified written text on the dial.
• 5513:  The same as 5512 but not COSC-certified text on the dial.
• 5517:  MilSub made for the British military known for its sword hands. Also known as 5513/17.
• 5514:  The same as 5513 but moded with a gas escape valve for professional Comex divers.
• 1680:  First Submariner with date function. Can be seen with Submariner text written in red and white.
• 16803: Two-Tone Submariner with blue and black dial and bezel.
• 16808: Yellow gold submariner.
• 16800: A transitional model of the Submariner. First dial with white gold index.
• 168000: Updated 16800.
• 16610:  Finally fully updated Submariner from 1680. A case with Rehaut but most without.
• 16613: Two-Tone Submariner with blue and black dial and bezel. A case with Rehaut but most without.
• 16618: Solid yellow gold Submariner. A case with Rehaut but most without.
• 14060: No date and updated Submariner.
• 14060M: Updated submariner and case with Rehaut but most without.
• 16610LV: Green bezel and Submariners’ 50 years anniversary model .
• 116610LN: Ceramic bezel with a new case. Maxi hands and dial.
• 116610LV: Green ceramic bezel and a new case. Maxi hands and dial.
• 116613: Two-Tone ceramic Submariner with both black and blue dial and bezel. Maxi hands and dial.
• 116618LB: Solid yellow gold Submariner with blue and black dial and bezel. Maxi hands and dial. Maxi hands and dial.
• 116619LB: Solid white gold Submariner with blue dial and bezel.

Rolex GMT Master reference numbers

• 6542: First GMT Master with modified movement. Bakelite and steel bezel. Pepsi inserts. No crown guards
• 6542/8: Yellow gold GMT Master. No crown guards.
• 1675: Second GMT Master with both Pepsi and an all-black bezel. The first case with crown guards.
• 16753:  Two-Tone GMT Master with rootbeer bezel.
• 16758: All yellow gold GMT Master.
• 16750: First GMT Master with quickset movement. Pepsi and black bezel.
• 16760: GMT Master is also known as “Fat Lady” for its’ bigger case. Coke insert ( black and red ).
• 16700: Black, Pepsi ( blue and red ), and Coke ( black and red ) insert.
• 16710: Black, Pepsi ( blue and red ), and Coke ( black and red ) insert. First GMT Master II.
• 16713: Two-Tone GMT Master II in both rootbeer and black insert.
• 116710LN: Updated GMT Master II with ceramic bezel, maxi dial, and hands. This reference had a black bezel.
• 116710BLNR: Updated GMT Master II with ceramic bezel, maxi dial, and hands with Batman ( blue and black ) ceramic bezel.
• 116713LN: Two-Tone GMT Master II with a black insert with ceramic bezel, maxi dial and hands.
• 116718LV: Solid gold GMT Master celebrating 50 years of the GMT Master with green bezel and dial.
• 116719BLRO: White gold GMT Master II with Pepsi ceramic bezel ( blue and red ).
• 126710BLRO:  Brand new “Pepsi” model with Jubilee bracelet. Blue and red bezel.
• 126710BLNR:  The updated version of the 116710blnr with the Jubilee bracelet and new movement.
• 126711CHNR:  Also known as “root beer”. Gold and steel GMT, made in Everose gold and steel.
• 126715 CHNR: Full rose gold version of the “root beer”

Rolex Air King reference numbers

• 1400:   Updated version with sapphire crystal and a new caliber 3000 movement.
• 4365: Made in the 1940s. The first Rolex Air-King measured 34 millimeters.
• 4925: The first Oyster watch to feature the iconic Air-King moniker on the dial.
• 5502: Acrylic crystal. 1530 automatic movement.
• 5520: Silver dial, automatic movement. Gold case.
• 6500: Oyster Perpetual and chronometer rated. This Rolex reference was never branded an Air-King.
• 14000M: Automatic movement, scratch-resistant sapphire crystal, waterproof screw-down crown. Case in 34mm.
• 14010M: Automatic 3130 movement, scratch-resistant sapphire crystal, waterproof screw-down crown
• 114234: Introduced in In 2007. The last model of the Air-king family (of the past generation since the model was revived in 2016). It features a white gold bezel and is the only Air-king with such element.
• 114210: 34mm case, Silver Luminous with Arabic hour markers at 3, 6, 9. Automatic movement, scratch-resistant sapphire crystal. Waterproof.
• 5700: Automatic movement, acrylic crystal, waterproof screw-down crown. Blue, linen, or silver dial.
• 5506: Automatic movement, acrylic crystal. Yellow gold plated.
• 5501: Automatic 1520 movement. Acrylic crystal, waterproof. Screw-down crown. Oyster case. Introduced in 1958.
• 5500: It is technically an Air-King, but Rolex also offered the ref. 5500 with an Explorer dial for about 10 years.
• 5504: Stainless steel. The 5504 case was used as both the Air-King as well as the Explorer. Featuring a 1530 caliber movement.
• 114200: Automatic movement, scratch-resistant sapphire crystal, waterproof screw-down crown. 3130 movement 34mm.
• 6552: Built upon the 34mm Oyster Case.  
• 1002: The 1002 is often quoted as an Air-King model, but it never was – it was only an Oyster perpetual.
• 1401: Stainless Steel. Water Resistant to 100 meters.  
• 5701: A less-common model than most Air-King references.
• 116900:  The newest and current Air-King model. Released in 2016. 39mm case.

Rolex Oysterquartz reference numbers (all Oysterquartz models)

• 17000: Among the first examples of the OysterQuartz watches. Made in early 1978. Tritium luminous. Caliber 5035 with date indication.
• 17013: Two-tone version with 18k yellow gold and steel. 100m water-resistant.Rolex caliber 5035.
• 17014: Quickset date, scratch-resistant sapphire crystal. 18k white gold fluted bezel. Datejust model.
• 19018: Full yellow gold. Available with different dials. Day-Date model.  
• 19019: Day-Date model. Made in 18k white gold. 36 mm.
• 19028: Day-Date model. Pyramid design details. Pyramid motif on both the bezel and the center links of the President bracelet. Unique and rare version of the OysterQuartz. Full 18k yellow gold.
• 19038: A middle-way model between the 19028 and the 19068. Pyramid motif on the bezel and center links of the president bracelet as well as twelve diamonds mounted from the factory. The 1903 is just like the 19028 other than that it has diamonds on the dial.
• 19048: It is a 19018 but has a different reference number since it has a bezel fitted with 44 brilliant-cut diamonds.
• 19049: Full 18k white gold. Day-Date model. It is just like the 19019 but has a different reference number since it has a bezel fitted with 44 brilliant-cut diamonds.
• 19058: Extremely rare version of the Oysterquartz. One of the rarest versions. Fitted with a bezel with 44 curved baguette-cut diamonds, rubies, or sapphires.
• 19068: Day-Date model. Equipped with a 44 brilliant-cut diamond bezel.
• 19078: The rarest Oysterquartz models there is. Fitted with a rainbow gem-set bezel with 44 curved baguette-cut gems in rainbow colors,   and a rainbow gem dial. Equipped with a 19028 pyramid bracelet. Day-Date model. Full 18k yellow gold.
• 19148: This model is just like the 19048 but features a bracelet with a twelve brilliant-cut diamonds per center link. The watch was crusted with 44 brilliant-cut diamonds on the bezel, 8 brilliant-cut diamonds on the case and 300 brilliant-cut diamonds on the bracelet. Day-date model.
• 19168:   Featuring an octopus bracelet. Normally production year 1987. Baguette and brilliant-cut stones on the bracelet and 44 curved baguette-cut stones on the bezel Full 18k yellow gold.
• 19149: Day-Date model. Full 18k white gold.

Rolex Yacht-Master reference numbers

• 16622: Automatic Rolex cal. 3135 movement, Quickset, scratch-resistant sapphire crystal, waterproof screw-down crown. Platinum rotatable bezel. Made in Rolesium.
• 16628: Full 18K yellow gold. Automatic Rolex Caliber 3135 movement with date function. Movement with 31 jewels and quickset function. scratch-resistant sapphire crystal, waterproof screw-down crown. Rotatable bezel.
• 68623: 35mm. Two-tone with 18k yellow gold and stainless steel. Discontinued in 1999.  
• 68628: Full 18k yellow gold. 35mm case. Rotating bezel.
• 168622: 35mm. Platinum Uni-directional rotating bezel. Platinum dial. Rolex Calibre 2235 automatic movement. 48-hour power reserve.
• 168623: Two-tone 18K contrasted by stainless steel. 100 meters of water resistance.
• 168628:   Full 18k yellow gold. 100 meters waterproof. Automatic movement, scratch-resistant sapphire crystal, waterproof, screw-down crown.
• 169623: Two-tone. 18k gold and stainless steel.  
• 169628: Full 18k yellow gold. Automatic movement. Bi-rotational Bezel, Date, Second Hand
• 169622: Platinum and steel. unidirectional rotating bezel.  
• 166233: Mechanical automatic movement. Rotatable 18k yellow gold bezel. 18k yellow gold and stainless steel case and bracelet.
• 116689:   White Dial with a body in white gold and platinum. Oyster bracelet in solid white gold. 
• 116688:   Yacht-Master II in yellow gold with a blue bezel. 
• 116655:  40mm Yacht-Master in rose gold with black dial and bezel
• 69628:   29mm ladies’ Yacht-Master in yellow gold with a blue and white dial. 
• 69623:   29mm ladies’ Yacht-aster in two-tone ( yellow gold and steel ). 
• 116622:  40mm Yacht-Master in steel and platinum bezel. Available with blue or white dial.
• 268621:  Two-Tone Yacht-Master in rose gold and steel in 37mm. Available with a brown/black dial.
• 116681:  Yacht-Master II in two-tone ( Yellow gold and stainless steel ) with a blue bezel.
• 116621:  40mm Yacht-Master in two-tone (rose gold and stainless steel )
• 268655:  37mm rose gold Yacht-Master with an Oysterflex rubber strap.
• 268622:  37mm Yacht-Master in stainless steel and platinum bezel. Known for the blue second hand.
• 126655: Updated version of 116655 with new caliber 3235 and featuring Glidelock clasp.
• 126622: Updated version of 116622 with new 3235 movement.
• 226659: New Basel 2018 release. White gold 42mm case with Oysterflex bracelet.

Rolex Explorer reference numbers

• 1655: Explorer II nicknamed ”Steve McQueen”. 24-hour bezel, GMT hand, waterproof screw-down crown, acrylic crystal.
• 16570: Explorer II model. Black or white ”polar” dial. 24-hour bezel. GMT hand. Stainless steel.
• 16550: Explorer II model. A predecessor of 16570. Transitional reference 16550, which came between the 1655 and the
• 16570:  Black and white dial. A mistake in the production made the early series of the white dials more cream-colored.
• 114270: Explorer I model. 36mm. 100m water resistance. 3, 6, 9 Arabic numerals.
• 14270: Explorer I model. no-date. 36mm. 3, 6, 9 Arabic numerals. caliber 3000 movement.
• 6610: Explorer I model. 3, 6, 9 indexes with tritium lime. One of the early Explorer models.
• 6350: The first watch to carry the Explorer name on the dial was the reference 6350. Launched in 1953.  
• 6298: Prototype watch used by explorers in the early 1950s, eventually leading to the development of the Explorer line. Called ‘Big Bubblebacks’.
• 6150: Pre-explorer model. The 6150 is one of the rarest and earliest examples of the “Explorer” model which doesn’t carry the Explorer name on the dial.
• 6098: Big bubble back watch. The successor of the 5020.  
• 5504: 3, 6, 9 Arabic numerals.  
• 1016: 3, 6, 9 Arabic numerals in tritium lume.  
• 216570 :   Black and white dial Explorer II 42mm
• 16570:   Black and white dial Explorer II 40mm,
• 5506: Dating back to mid-1950’s. The first use of the Rolex 1530 automatic movement. Referred to as Rolex dress Explorers. Dressier versos of the then 1016 Explorer. Available in two-tone or gold-filled cases.
• 6299: The reference 6299, as opposed to the standard 6298, refers to the watch being Yellow gold/stainless steel as opposed to the ref 6298 being only stainless steel.
• 5500: Essentially an Air-king with a classic gilt 3,6,9 Explorer dial. Available in two variants: Precision and Super Precision. Produced only from 1958 to 1967
• 5501: Fluted gold bezel. ”Precision” on the dial and the text ”Explorer”.

Rolex Milgauss reference numbers

• 1019: One of the most sought-after vintage Milgauss. Without luminous dots as requested by CERN who needed a watch which wouldn’t interfere with their experiments since the tritium used as the luminous material emitted radioactive ”signals”. Because of this non-lune version, the 1019 Milgauss has become one of the more desirable vintage Milgauss models.
• 6541:   Similar to an early Submariner in its case design. 25-jewel, self-winding movement. Featuring a black rotating bezel. lightning bolt-shaped seconds hand.
• 116400GV: The anniversary Milgauss edition “glass verte” with green sapphire glass.
• 116400: The first model in Rolex’s revived Milgauss collection which launched in 2007 after nearly two decades of absence.

Rolex Daytona reference number (and other Rolex chronographs)

• 116500LN -new 2016 released stainless steel Daytona with ceramic bezel.

Rolex Sea-Dweller reference numbers

• 1665:  Can be seen with various types of dials. This reference features a double red print on the dial.

Rolex Cellini reference numbers

Rolex datejust reference numbers, rolex bubbleback reference numbers, rolex day-date reference numbers.

On the inside of the clasp hinge, you’ll find what is known as the clasp/bracelet code. The clasp code on Rolex watches can be used to determine the year and month of the year when it was made. Have in mind though, that it’s not completely uncommon for Rolex watches to have bracelets that have a different date (thus were manufactured at a different time) than the watch’s case.

The clasp code consists of one or two letters which are then followed by a number. The letter in the code represents the year in which the bracelet was made, and the digits refer to the month it was made.

• A =  1976
• Z – W= 1998
• OP – 2006
• The letter S gives information that the watch has a service bracelet.

For more information about Rolex clasp codes, read our complete guide to Rolex clasp codes .

We hope that you found this Rolex Serial number resource helpful! Don’t forget to take a look at our collection of Rolex watches available.

Do you have any additional specific questions regarding Rolex reference numbers and watches?  Consult one of our watch experts here !

We have gone to great lengths to confirm and check so that the information provided here is correct, but if you see any incorrect information, kindly let us know and we will correct it.

38 thoughts on “ Rolex Reference Number Guide: Complete Resource List ”

Hey, I cant find the price to 16248 1987, 18K all over the internet. Can you give some hint of prizes? Thank You!

Hi, About 10-15K Euro depending on the condition, dial, accessories, bracelet etc.

Kind regards, Millenary Watches

I recently inherited a 1958 6605 Datejust. The jeweler tells me the ref. # is 354389. I cannot seem to make sense of it after reading your article. Am I missing something?

Hi, There is no such reference ever made. 6605 would be the reference number (model number) and then there is the serial number which is unique to the watch which is a different number.

I have two watches gifted that I am trying to get some info on to check authenticity and age. I have read the article and am still confused with the numbers I was given. A jeweler took the backs off K886180 & 83858 1263000 & 62610

Thanks for your list of clasps, bracelets, and style and serial number, Thanks to your list I caught a guy selling counterfeit Rolex watches in Florida. The bracelets were the giveaway They all had the same number on them 16233 which is a style number not a bracelet number,

Glad you found it helpful! Yes, that is definitely not correct!

Hi my wife has a Rolex Oyster Perpetual Date with white dial Roman numerals. It’s small size maybe 26mm the reference number is 78240 and bracelet AB7 and there is another number near the lugs 590B or something. It doesn’t say Date Just just Date. I figure it must of been made in July 2000. Is it real?

Hi, It’s impossible to comment on authenticity without having inspected it in person so we would advise you to take it to a professional watchmaker for an inspection. 590B would be the “end link” number, 78240 is the bracelet reference number.

I just purcahased a 2008 Rolex Yachtmaster Stainless Steel. It has a Rehaut with Rolex all around and the serial number. I also see the smail Rolex logo on the cyrstal at 6 o’clock(hard to find). I took it to a watchmaker who didn’t want to scratch the case by mistake, so we didn’t open the case. He had a machine thet he put the watch on that told him things I wasn’t fimilar with that proved to him it was good. It even told him it was running 14 seconds fast.He looked it over with his lope and said he thought it was real. My problem is the serial number on the rehaut is M905506. Any reference i can find including here says it should start with 166,686 or 696. Do you think i have a fake? i have until 3-28-23 to return it to Chrono 24. Thank you so much for any help you can offer. Dan

Hi, In around 2009, Rolex began using random serial numbers for its watches. You still have a sequential serial number and based on the serial number you provided, the production year is 2007 or 2008. As such, that is correct for your watch as you mentioned it is from 2008. Based on this, there’s nothing wrong with the serial number of this watch and it doesn’t sound like it is fake. You also got reassurance from a watchmaker which is a positive sign as well.

I am trying to understand the difference between a Submariner reference number 16613 and 16613LB. Can you explain please?

Hi, LB stands for “lunette bleu” and refers to the use of a blue bezel insert. Rolex officially began using the term “LB” when they began using ceramic bezel inserts, which was for the model that replaced the 16613, 116613LB.

Since Rolex made both a blue and a black version of the 16613, you could say 16613LN or 16613LB for clarification. If you’re just talking about the models in general, you could say 16613 but that would not tell which version you are talking about. So technically, there is no difference other than the fact that you specify more closely if it’s a blue or a black version.

The bottom line is, there is no difference other that when you say “16613LB”, you’re specifically talking about the blue version.

Hi. May I ask you about the price of a 1833 dated in 1974. Totally new. Never used and with its original documents and box. Thank you so much in advance. Cordial greetings

Hi, A completely unworn and “new old stock” 1833 complete with box and papers is a true collector’s item and would definitely fetch a premium over models that have been used. Depending on the dial, it would likely fetch somewhere around €30.000 to €40.000 but if it’s truly unworn and in brand new condition, and with a special and unique dial, such as a stone dial, it could fetch more than that at auction.

I have Rolex date just oyster perpetual gold 18k , I only find the serial 72200 ; how can I know if it’s original or not?

Hi, 72200 sounds like the bracelet reference number (72200 is the reference number for an Oyster bracelet). If you are unsure about the authenticity of your watch, you can order a consulting service here and one of our watch experts will be able to assist: https://millenarywatches.com/watches/watch-consulting/

I was gifted what is thought to be a fake Rolex Submariner. It has the Rolex Crown (12 o’clock), Rolex name, and serial number (6 o’clock)on the dial rehaut (inner bezel) That I can tell with a small magnifying glass there is no serial number between the 6 o’clock lugs NOR can I see a model/reference number between the 12 o’clock lugs. Do all Rolex’s have a model/reference number engraved between the 12 o’clock lugs? Could this be real and it is worn off by the band? Please help.

Thank you Bobby

Hi, Modern Rolex watches have the serial number on the rehaut at 6 o’clock and not on the case. With that said, if the serial number is on the rehaut then that is correct for a modern Rolex watch.

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Rolex Reference Numbers: Ultimate Guide

What kind of Rolex do you have? What is it made of? When was it manufactured? All of these answers, along with a variety of other information, is etched into your watch, via the reference number, the serial number, and the clasp code. If you know what to look for, you can tell a lot about your watch, just by looking at those numbers. Or if you want to know more about your Rolex, you can use those numbers to look up the information you need. Here’s your ultimate guide to Rolex reference numbers, serial numbers, and clasp codes…

What Do The Reference Numbers Mean?

The reference number is located on the watch case, between the lugs, right above the 12. Watches made before the late 70s will have 4-digit reference numbers. If your watch was made in the 80s or 90s, it will most likely have a 5-digit reference number. If it was produced since 2000, it will most likely have a 6-digit reference number, often beginning with 1.

The Beginning Numbers

The first few (between two and four) digits of the reference number tells you the watch model: Day-date, Datejust, Daytona, Submariner, etc. The next digit after the model is the Bezel Code. If you want to find this number at a glance, it should be the second to last digit in the reference number. The bezel is the ring that holds the watch crystal in place. The Bezel Code tells you the style of bezel you have. Note that only Rolex dress watches have Bezel Codes. Sports watches do not.

The End Numbers

The final digit in the reference number is the Material Code, which tells you what type of material your watch is made of. Note that if your reference number only has four digits, there is no material code. However, if it has five or six digits, the material code is the last number in the sequence.

The Letters

Some reference numbers are also followed by a string of letters—either two or four. These represent either the color of the bezel or the gems that it uses. Now that we’ve covered the basics, here’s your guide to the reference numbers of Rolexes.

In addition to the serial number on the watch itself, many Rolexes have identifying numbers on the watch clasp, to let you know the year and month it was manufactured. As with the serial numbers, clasp numbers since 2011 have been randomized, but can be looked up online. For watches manufactured in 2010 or before, however, the letter code represents the year, and the first number represents the month. So a watch clasp manufactured in February of 2010 would begin with RS2 – RS being the clasp code for 2010, and 2 representing February. Here are the clasp letter codes you need to know:

Country Codes

Finally, let’s talk about the country codes. These are a three-digit code that tell you where your Rolex was manufactured. It’s not on the watch itself, but if you still have the Guaranty Certificate, it should be in the upper left corner. Note that only watches manufactured since 1980 have country codes.

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Rolex Reference Numbers In Order By Model:

The ultimate guide to Rolex Models & Rolex Reference Numbers. This list puts all the Rolex reference numbers in numerical order to make it easy to find the Rolex watch you are looking for. If you have been thinking about selling your Rolex watch, SWD Watches will pay you the highest price guaranteed. Find out how much your Rolex watch is worth today!

If you’re looking for a comprehensive list of Rolex serial numbers, you’ve come to the right place! This quick but thorough guide will help you keep track of your Rolex watch. Updated in 2023, this list is an invaluable resource when it comes to understanding the history and value of your watch.

Air-King Reference Numbers

Cellini Reference Numbers

Datejust Reference Numbers

Day-Date Reference Numbers

Daytona Reference Numbers

Explorer Reference Numbers

GMT-Master & GMT-Master II Reference Numbers

Milgauss Reference Numbers

Oyster Reference Numbers

Sea-Dweller Reference Numbers

Sky-Dweller Reference Numbers

Submariner Reference Numbers

Yacht-Master Reference Numbers

Vintage/Other Models

Rolex Clasp Code (Alphabetical)

What is a Rolex Reference Number?

A Rolex reference number is a unique code assigned to each Rolex watch model. It helps identify the specific model, variations, and features of a Rolex timepiece. The reference number consists of a combination of numbers and/or letters and you will find it engraved on the side of the watch case, or found between the lugs. Understanding the Rolex reference number is essential for accurately describing and valuing your Rolex watch.

Look Up Your Rolex Reference Number

Each Rolex watch model has its own distinct reference number that indicates its style, materials, and other specifications. The reference number sometimes has of a series of alphanumeric characters. For example, the reference number for a Rolex Submariner might be “116610LN” or “116610LV” for the green bezel version. By identifying the reference number, you can easily find information and resources specific to your Rolex model.

Different Locations of the Rolex Reference Number:

Reference number on the watch case.

The reference number is often engraved on the side of the watch case, usually between the lugs on the 12 o’clock side. This is one of the most direct ways to identify your Rolex model. You may need a magnifying glass to read the engraving clearly.

Reference Number on the Certificate of Authenticity

The Rolex Certificate of Authenticity is a crucial document that comes with every authentic Rolex watch. This certificate not only proves the watch’s authenticity but also contains the reference number. Keep this document safe, as it’s vital for resale and servicing.

Reference Number on the Warranty Card

New Rolex watches come with a warranty card that also serves as another proof of authenticity. This card contains essential details about the watch, including its reference number. It’s advisable to keep the warranty card in a secure place for future reference.

Reference Number on the Official Rolex Website

The official Rolex website is a treasure trove of information about all Rolex models, past and present. By navigating to the specific model page, you can find its reference number along with other detailed specifications. This is particularly useful for comparing different models or verifying information.

Reference Number in the User Manual

The user manual that comes with your Rolex watch is not just an instruction guide; it’s also a source of specific information about your watch model. The reference number is often listed in the specifications section, providing another way to verify your Rolex’s details.

Reference Number on the Rehaut

For newer Rolex models, the reference number is laser-engraved on the rehaut, which is the inner edge of the watch dial. This feature adds an extra layer of security and makes it easier for owners to identify their watches without removing any parts.

Want to Ensure the Watch is Genuine? Check the Serial Number!

Verifying the authenticity of a Rolex watch goes beyond just examining its physical attributes. Checking the serial number is an essential step in ensuring the watch is genuine. By looking up and comparing the serial number with official Rolex databases or seeking professional authentication, you can confirm the model, production details, and other relevant information about your Rolex watch. If you have any doubts about the authenticity of your Rolex, consult SWD Watches authenticators who can guide you through the verification process.

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A Guide to Rolex Serial Numbers and Rolex Reference Numbers

Find Your Rolex Production Year

What is a rolex serial number.

Every Rolex watch that comes out of the factory is designated with its own serial number. As a result, each Rolex serial number is unique (there are exceptions, as we’ll see shortly). So in theory, a Rolex serial number can tell you what year (approximately) the watch was made in.   We say in theory, because there have been a few irregularities over the years. For example, Rolex reset the serial numbers in 1954 after they reached #999,999. So a watch from the 1960s can have the same reference number as one from the 1950s. Thankfully, Rolex also furnished the interior of the casebacks with date codes, thus making it easier to differentiate between a pre-1954 serial number and post-1954 one (if you open up the watch).  

[caption id="attachment_1192" align="aligncenter" width="950"] The bracelet must be removed to see the serial and reference numbers[/caption]   When Rolex reached #9,999,999 in mid-1987, the company began adding a letter followed by six digits. But to confuse matters even more, they did not begin with the letter “A” but instead, the letter “R,” then “L,” then “E,” followed by other non-sequential letters.   The biggest change in Rolex serial numbers, however, came about by the end of 2010, when Rolex decided to use random serial numbers. Due to this change, it cannot be determined what year a Rolex was made if it was manufactured post-2010. There are several theories on why Rolex has done this. One is that the company does not want the public to know just how many units they produce a year, while another speculation says that it’s a measure against counterfeiting.  

Rolex Serial Number Look Up Chart

Using this Rolex Serial Number Look Up chart, you can approximate what year a Rolex was produced (pre-2011). It’s important to note that Rolex has never released official numbers so these have been approximated, recorded, and categorized by collectors over the years. It is not an exact science.

Where Can I Find the Rolex Serial Number?

If you have the watch’s papers, then the serial number will be on there. However, if you don’t have any documents, then you’ll find it on the Rolex watch itself.   On Rolex watches made prior to 2007, the serial number can be found engraved on the case in between the lugs at 6 o’clock. You will have to remove the bracelet to see it.  

[caption id="attachment_1152" align="aligncenter" width="1000"] The Rolex serial number is between the lugs at 6 o'clock[/caption]   Starting in late 2006, in addition to the case stamping Rolex also included the serial number laser engraved on the rehaut—visible through the sapphire crystal. Finally, starting in the late 2008, Rolex phased out the case engraving entirely and now exclusively displays the serial number on the rehaut.  

What is a Rolex Reference Number?

Unlike a unique serial number, Rolex reference numbers (also known as model numbers) are shared across watches. Among other things, the first few numbers tell you what particular collection a Rolex watch belongs to.  

Furthermore, a reference number also includes codes for material and bezel type.

Finally, sometimes there are letters in a Rolex reference number that reveal even more details.  

So if we take these charts and the 116613LB reference number as an example, this will tell you: 1166 – Submariner 1 – Rotating Bezel 3 – Two Tone Stainless Steel and Yellow Gold LB – Blue Bezel  

Where Can I Find the Rolex Reference Number?

  Again, if you have the watch’s official papers, then you can easily find the official Rolex reference (model) number there. However, if you don’t have access to the papers, then you can find it on the watch.  

[caption id="attachment_1187" align="aligncenter" width="950"] The Rolex reference number is engraved between the lugs at 12 o'clock[/caption]   The Rolex reference number is also engraved on the watch, but on the opposite side from the serial number position. So you’ll have to remove the bracelet from the 12 o’clock side of the case to see it.  

How to Use Rolex Serial Numbers and Reference Numbers

  The most common way a reference number is used is to identify exactly the type of Rolex watch you have (or have your eye on). Rolex identification is especially important when sourcing your Rolex watch from the secondary market to ensure that what you think you’re buying matches up with what you’re actually buying. Understanding Rolex reference numbers is important if you want to make an informed purchase.     

Likewise, a Rolex serial number helps you date a specific watch so that you can understand what era your watch is from. Not only will this help you to know if the watch in question is actually an honest vintage piece, but also, it will reveal if all the other details of the watch (dial, bezel, bracelet) match up or if they were replacement/service pieces.   When buying a pre-owned Rolex watch , the more you understand, the better decisions you’ll make when choosing which one you want to add to your collection.

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How To Read A Rolex Serial Number: Unlock Its Secrets

Understanding how to read a Rolex serial number is essential for anyone who owns, collects, or plans to buy a Rolex watch. These unique identifiers serve as a fingerprint for your luxury timepiece, providing valuable information about its age, authenticity, and origin. In this comprehensive guide, we’ll delve into the intricacies of how to decode a Rolex serial number, ensuring you’re well-informed whether you’re in the market to buy, sell, or simply appreciate the craftsmanship of Rolex watches.

Table of Contents

What is a Rolex Serial Number?

A Rolex serial number is a unique alphanumeric code that serves as the identification card for your watch. It’s not just a random set of characters; it holds significant information about the watch’s production year and sometimes even its model.

Over the years, Rolex has changed its serial number system multiple times, adding an extra layer of complexity for those trying to decode it. But don’t worry. By the end of this guide, you’ll be well-equipped to understand how to read a Rolex serial number like a pro.

How to Find Your Rolex Serial Number?

Locating the Rolex serial number might require a bit of finesse, especially if you’re not familiar with the anatomy of a watch. The serial number is usually engraved on the side of the watch case, specifically between the lugs at the 6 o’clock position. To access it, you’ll need to remove the bracelet from the watch, which is best done carefully to avoid any accidental scratches.

For more modern Rolex watches, the serial number can also be found on the rehaut, the inner edge of the dial, visible through the crystal. This makes it easier to spot without disassembling any part of the watch.

What is a Rolex Reference Number?

A Rolex reference number is another crucial identifier, but it serves a different purpose than the serial number. While the serial number tells you about the watch’s age and authenticity, the reference number is all about the watch’s specific model and features. Typically consisting of 4 to 6 digits, sometimes followed by letters, each component of the reference number has a meaning:

• First 2 or 3 Digits : These indicate the watch’s model or series. For example, ‘116’ refers to a Rolex Submariner Date, while ‘214’ refers to a Rolex Explorer.
• Following Digits : These can specify the type of bezel, the material of the watch, and other features. For instance, in the reference number ‘116610LN,’ ‘LN’ stands for “Lunette Noir,” which means a black bezel in French.
• Alphabetical Suffix : If present, letters at the end can indicate a special edition or a significant update to the model. For example, ‘LV’ at the end of a Submariner’s reference number indicates a green bezel, known as the “Hulk.”

Understanding the Rolex reference number is like reading the watch’s DNA. It tells you everything you need to know about the watch’s design, materials, and special features, making it an invaluable tool for collectors and enthusiasts alike.

For more in-depth information about Rolex models and features, you can refer to the official Rolex watch guide .

How to Find Your Rolex Reference Number

Finding your Rolex reference number is generally simpler than locating the serial number. The reference number is usually engraved on the side of the watch case, but unlike the serial number, it’s found between the lugs at the 12 o’clock position. To see it, you’ll need to remove the bracelet, just as you would to find the serial number.

For those who prefer not to remove the bracelet, the reference number is also often included in the watch’s original paperwork. If you’ve purchased the watch second-hand and don’t have access to the original documents, consulting an authorized Rolex dealer can also provide you with this information.

If you’re interested in learning more about the unique markings and engravings that can be found on a Rolex, check out our detailed guide here: Rolex Markings and Engravings .

Rolex Serial Number Look-Up Chart

Understanding how to read a Rolex serial number becomes easier with a handy look-up chart. Below is a comprehensive table that outlines the different serial number ranges and their corresponding production years, along with special characteristics that have evolved over time.

This chart serves as a quick reference for determining the approximate age of your Rolex watch based on its serial number. It’s a valuable resource for both novice and seasoned Rolex enthusiasts.

How to Use Rolex Serial and Reference Numbers

Knowing how to read a Rolex reference number and serial number is more than just a trivia skill; it has practical applications, especially if you’re looking to buy or sell a Rolex in the secondary market. Here’s how you can use these numbers to your advantage:

• Verify Authenticity : Both numbers are essential for verifying the authenticity of a Rolex watch. Counterfeit watches often have incorrect or duplicated numbers.
• Determine Age : The serial number can help you determine the age of the watch, which is crucial for valuation and insurance purposes.
• Identify Features : The reference number can tell you about the watch’s features, such as the type of bezel, material, and more. This is particularly useful when comparing different models.
• Trace Ownership : While not common, some collectors and dealers keep records based on serial numbers, which can sometimes allow you to trace the watch’s ownership history.
• Negotiate Price : Knowing the age and features of a watch can give you an upper hand in price negotiations, ensuring you get the best deal possible.

Understanding these numbers can make you a more informed buyer, seller, or collector, and can even help you avoid potential scams or counterfeit fake Rolex .

Master the Art of Decoding Rolex Serial and Reference Numbers

Deciphering the alphanumeric codes etched onto your Rolex isn’t just a matter of curiosity; it’s a gateway to unlocking the full value and history of your timepiece. Knowing how to read a Rolex serial number can turn you from a casual owner into an informed collector.

It can help you verify the authenticity of a watch before a purchase, saving you from costly counterfeits. It can also aid in determining the watch’s age, a crucial factor for insurance or resale value.

On the other hand, the reference number serves as a blueprint of your watch’s features and functionalities, helping you appreciate the craftsmanship that goes into each model. In essence, these numbers are your keys to becoming a more savvy, confident, and appreciative member of the Rolex community.

Is this guide helpful? We’d love to hear your experiences with Rolex serial and reference numbers. Feel free to comment below and share this post with fellow Rolex enthusiasts!

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E07 is the English language mode of the Russian 7 operator.

Null format:

Traffic format, single message:

Traffic format, two messages:

In case of an unexpected interruption during the transmission, the station restarts with the intro, repeated for one minute, followed by the current message continued from some groups before the failure; the preamble is omitted.

All E07 schedules are twice weekly and consist of 3 identical transmissions 20 minutes apart. Each successive transmission is 1-2 MHz lower or higher in frequency. The third transmission does not take place in case of a null message. The frequencies are typically changed on a monthly basis.

There exists a female E07 voice, as heard below from test transmissions on October 2nd, 2021:

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Tuesday, November 15, 2011

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