Rolex Serial Numbers with
Production Dates

The Rolex serial numbers are found between the lugs on the side of the case at the 6 o’clock side,
behind the bracelet. This 4-8 digit number is engraved by Rolex on every watch and it can be used to
determine its production date.

Enter serial number or year—discover your Rolex’s manufacture date

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Find Your Rolex Production Year

 
Serial NumberYear

(function(){ // Data array const data = [ { serial:’Random’, year:2018 },{ serial:’Random’, year:2017 },{ serial:’Random’, year:2016 }, { serial:’Random’, year:2015 },{ serial:’Random’, year:2014 },{ serial:’Random’, year:2013 }, { serial:’Random’, year:2012 },{ serial:’Random’, year:2011 },{ serial:’G’, year:2010 }, { serial:’V’, year:2009 },{ serial:’M OR V’, year:2008 },{ serial:’M OR Z’, year:2007 }, { serial:’D OR Z’, year:2006 },{ serial:’D’, year:2005 },{ serial:’F’, year:2005 }, { serial:’F’, year:2004 },{ serial:’F’, year:2003 },{ serial:’Y’, year:2002 }, { serial:’K OR Y’, year:2001 },{ serial:’K,000,001′, year:2000 },{ serial:’P,000,001′, year:2000 }, { serial:’A,000,001′, year:1999 },{ serial:’U,932,144′, year:1998 },{ serial:’U,000,001′, year:1997 }, { serial:’T,000,001′, year:1996 },{ serial:’W,000,001′, year:1995 },{ serial:’S,860,880′, year:1994 }, { serial:’S,000,001′, year:1993 },{ serial:’C,000,001′, year:1992 },{ serial:’N,000,001′, year:1991 }, { serial:’X,000,001′, year:1991 },{ serial:’E,000,001′, year:1990 },{ serial:’L,980,000′, year:1989 }, { serial:’R,598,200′, year:1988 },{ serial:’R,000,001′, year:1987 },{ serial:’9,400,000′, year:1987 }, { serial:’8,900,000′, year:1986 },{ serial:’8,614,000′, year:1985 },{ serial:’8,070,022′, year:1984 }, { serial:’7,400,000′, year:1983 },{ serial:’7,100,000′, year:1982 },{ serial:’6,520,870′, year:1981 }, { serial:’6,434,000′, year:1980 },{ serial:’5,737,030′, year:1979 },{ serial:’5,000,000′, year:1978 }, { serial:’5,008,000′, year:1977 },{ serial:’4,115,299′, year:1976 },{ serial:’3,862,196′, year:1975 }, { serial:’3,567,927′, year:1974 },{ serial:’3,200,268′, year:1973 },{ serial:’2,890,459′, year:1972 }, { serial:’2,589,295′, year:1971 },{ serial:’2,241,882′, year:1970 },{ serial:’1,900,000′, year:1969 }, { serial:’1,752,000′, year:1968 },{ serial:’1,538,435′, year:1967 },{ serial:’1,200,000′, year:1966 }, { serial:’1,100,000′, year:1965 },{ serial:’1,008,889′, year:1964 },{ serial:’824,000′, year:1963 }, { serial:’744,000′, year:1962 },{ serial:’643,153′, year:1961 },{ serial:’516,000′, year:1960 }, { serial:’399,453′, year:1959 },{ serial:’328,000′, year:1958 },{ serial:’224,000′, year:1957 }, { serial:’133,061′, year:1956 },{ serial:’97,000′, year:1955 },{ serial:’23,000′, year:1954 }, { serial:’855,726′, year:1953 },{ serial:’726,639′, year:1952 },{ serial:’709,249′, year:1951 }, { serial:”, year:1950 },{ serial:”, year:1949 },{ serial:’628,840′, year:1948 }, { serial:’529,163′, year:1947 },{ serial:’367,946′, year:1946 },{ serial:’302,459′, year:1945 }, { serial:’269,561′, year:1944 },{ serial:’230,878′, year:1943 },{ serial:’143,509′, year:1942 }, { serial:’106,047′, year:1941 },{ serial:’99,775′, year:1940 },{ serial:’71,224′, year:1939 }, { serial:’43,739′, year:1938 },{ serial:’40,920′, year:1937 },{ serial:’36,856′, year:1936 }, { serial:’34,336′, year:1935 },{ serial:’30,823′, year:1934 },{ serial:’29,562′, year:1933 }, { serial:’29,132′, year:1932 },{ serial:”, year:1931 },{ serial:’23,186′, year:1930 }, { serial:”, year:1929 },{ serial:’23,969′, year:1928 },{ serial:’20,190′, year:1927 }, { serial:’00,001′, year:1926 } ]; const tbody = document.querySelector(‘.rolex-data-table tbody’); data.forEach(item => { const tr = document.createElement(‘tr’); tr.innerHTML = `${item.serial}${item.year}`; tbody.appendChild(tr); }); const rows = Array.from(tbody.children); // Search function function performSearch() { const raw = document.getElementById(‘serialInput’).value.trim(); if (!raw) { rows.forEach(r => r.style.display = ”); document.getElementById(‘rolexResult’).textContent = ”; return; } const year = parseInt(raw, 10); const isYearSearch = !isNaN(year); let count = 0; rows.forEach(r => { const rSerial = r.children[0].textContent.toLowerCase(); const rYear = parseInt(r.children[1].textContent, 10); let match = false; if (isYearSearch) { // Search by year match = rYear === year; } else { // Search by serial number (case insensitive, partial match) match = rSerial.includes(raw.toLowerCase()); } if (match) { r.style.display = ”; count++; } else { r.style.display = ‘none’; } }); if (count === 0) { document.getElementById(‘rolexResult’).textContent = isYearSearch ? ‘No records found for this year.’ : ‘No records found for this serial number.’; } else { document.getElementById(‘rolexResult’).textContent = ”; } } // Reset function function resetSearch() { document.getElementById(‘serialInput’).value = ”; rows.forEach(r => r.style.display = ”); document.getElementById(‘rolexResult’).textContent = ”; } // Event listeners document.getElementById(‘rolexLookupBtn’).onclick = performSearch; document.getElementById(‘rolexResetBtn’).onclick = resetSearch; // Enter key support document.getElementById(‘serialInput’).addEventListener(‘keypress’, function(e) { if (e.key === ‘Enter’) { performSearch(); } }); })();

Rolex dial close-up Rolex bezel close-up

Understanding Rolex Model Numbers

Every Rolex watch comes with a unique 4- to 6-digit model number, also known as a reference number. This number is more than just an identifier — it reveals key details about the watch, such as the model line, bezel style, and case material. You’ll find this number engraved between the lugs on the case at the 12 o’clock position (you’ll need to remove the bracelet to view it).

How to Decode a Rolex Model Number

Let’s break down the reference number 16234 as an example:

  • “162” – This identifies the model series. In this case, it’s a Datejust.
  • “3” – This digit represents the bezel type. Here, it indicates a fluted bezel.
  • “4” – This final digit tells you the material: stainless steel with an 18k white gold bezel.

Each digit in the model number has a specific meaning, and learning how to read it can help you verify a watch’s authenticity or understand its specs at a glance.

What the Digits Typically Mean:

  • First 2–3 digits: Refer to the watch family (e.g., Submariner, Daytona, Explorer, Datejust, etc.).
  • Fourth digit: Indicates the bezel style — smooth, domed, fluted, gem-set, etc.
  • Fifth or sixth digits (if present): May reflect material variations, bracelet types, or special features like sapphire crystals or Quickset date mechanisms.

Example Reference Numbers:

  • 116610 – A modern Submariner with ceramic bezel and stainless steel case.
  • 126334 – Datejust 41mm with a fluted bezel in white gold and stainless steel.
  • 16570 – Explorer II, 40mm with GMT function.

Where to Find the Model Number:

To locate the model number, you’ll need to remove the watch bracelet. Look between the lugs on the 12 o’clock side of the case. On the opposite side (6 o’clock), you’ll find the serial number — which helps determine the production year.

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Rolex Type

ModelReference Prefix(es)
Submariner (no date)55 & 140
Submariner16, 166 & 168
Sea-Dweller16 & 166
GMT-Master16, 65 & 167
GMT-Master II167 & 1167
Day-Date (President)65, 66, 18, 180, 182 & 183
Datejust16 & 162
Daytona Manual-Wind62
Daytona Cosmograph165 & 1165
Explorer II165
Oyster Perpetual10, 140 & 142
Air-King55 & 140
Date15 & 150
Oysterquartz Datejust170
Oysterquartz Day-Date190
Yacht-Master166, 686 & 696
Midsize Oyster Perpetual DJ68 & 682
Ladies Oyster Perpetual67, 671 & 672
Ladies Date65, 69, 691 & 692
Ladies Datejust65, 69, 691 & 692

Material Code

MaterialCode
Stainless0
Yellow Gold Filled1
White Gold Filled2
Stainless & Yellow Gold3
Stainless with 18k White Gold4
Gold Shell5
Platinum6
14k Yellow Gold7
18k Yellow Gold8

Bezel Code

Bezel StyleCode
Polished0
Engine-Turned1
Engine-Turned2
Fluted3
Hand-Crafted4
Pyramid5
Rotating Bezel6

Rolex Codes

Rolex code 1 Rolex code 2 Rolex code 3 Rolex code 4 Rolex code 5

Rolex Clasp Codes Explained

Many Rolex clasps include a code stamped inside the hinge, which reveals when the clasp was produced. This code usually consists of one or two letters followed by a number. The letter identifies the year, while the number refers to the month.

For example, a clasp marked G4 indicates it was manufactured in April 1982. If the bracelet was added during a service appointment, you may also see an “S” alongside the date code.

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Rolex Clasp Codes

Bracelet CodeYear
A or VA1976
B or VB1977
C or VC1978
D or VD1979
E or VE1980
F or VF1981
G1982
H1983
I1984
J1985
K1986
L1987
M1988
N1989
O1990
P1991
Q1992
R1993
S1994
T or W1995
V1996
Z1997
U1998
X1999
AB2000
DE2001
DT2002
AD2003
CL2004
MA2005
OP2006
EO2007
PJ2008
LT2009
RS2010
RANDOM201+*

*“RANDOM” indicates 2010s onward service/replacement clasps.

Country Codes

CodeCountry
010–045Switzerland
100Germany
110, 113France
120–128Austria
130Belgium / Luxembourg
133–138Netherlands
150Spain
160England
170Italy
200, 208Greece
201Malta
202Turkey
213, 217Portugal
226–233Denmark
237Iceland
265–271Sweden
283Finland
321Czech Republic
400, 888Hong Kong
413Korea
430Singapore / Brunei
431Malaysia
440Taiwan
500India
505Pakistan
527Middle East
532Saudi Arabia
536–538Abu Dhabi, Dubai, Oman
542Iran
548Israel
680South Africa
700Canada
710USA
720Mexico
741–742Bahamas, Bermuda
752–758Jamaica, Virgin Islands
761–768Antilles, Aruba, Antigua, Saint Martin, Cayman, Panama
770–790Venezuela, Brazil, Chile, Peru, Argentina
810Australia
818Philippines
828China
842New Zealand
871–873Hawaii, Alaska, Guam
900Japan
906Natex Retail (German NATO Airbase)
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Sapphire Crystal Evolution

Rolex began transitioning from acrylic to sapphire crystals in different years depending on the model and case material. Use the chart below to reference when each model received the sapphire crystal upgrade:

ModelStainlessRolesorGoldPlatinum
Quartz Beta 21 Ref 5100——1970—
Perpetual Ref. 1530, 1630, 183119751975—1975
Oysterquartz197819781978—
Air-King1991———
Perpetual—19911991—
Date198919891989—
Datejust198919891978—
Turn-O-Graph (Ref 16250)Plexi19891989—
Day-Date——19781978
Submariner 140601990———
Submariner Date19811984 (Ref. 16803)1981—
Sea-Dweller1981———
GMT-Master1989Plexi (Ref. 1675/3, 16753)1981—
GMT-Master II198419891989—
Explorer1990———
Explorer II1984———
Cosmograph Daytona198819881988—

Red Letters

Some Rolex papers issued in the U.S. feature red-stamped letters at the top. These indicate the date the watch was shipped from Rolex USA to an authorized dealer.

R
O
L
E
X
W
A
T
C
H
1
2
3
4
5
6
7
8
9
0
For example, “L RCCT” would translate to 3 1998 or March 19, 1998.
 
 

The Complete Guide to Rolex Serial Numbers: How to Date and Authenticate Your Watch

For collectors, dealers, and enthusiasts in the luxury watch market, understanding Rolex serial numbers is essential. These alphanumeric codes are more than identifiers—they reveal crucial insights about a watch’s production year, authenticity, and place in Rolex’s storied legacy. For buyers and sellers in the USA seeking to purchase or verify original Rolex timepieces, mastering serial number analysis is a critical step in protecting investment and ensuring value.

This guide provides a detailed overview of how Rolex serial numbers have evolved, where to find them, and how to use them for dating and authentication. Whether you’re looking to check the authenticity of a Rolex or determine its production year, this resource covers everything you need to know.


What Is a Rolex Serial Number?

A Rolex serial number is a unique alphanumeric identifier engraved on each Rolex watch. It serves as a fingerprint, allowing the manufacturer and watch owner to track production history, date of manufacture, and assist in authenticating the timepiece.

Historically, these serial numbers were applied in a sequential or semi-sequential order. However, due to increasing production volumes and the need for improved anti-counterfeiting measures, Rolex has changed its serial number formats over time.


How to Determine the Year of Production

The ability to date a Rolex watch based on its serial number varies by production period. Here’s how Rolex serial numbers have evolved:

1. Early Sequential Period (1926–1954)

  • Serial numbers began at ~28,000 in 1926.
  • Numbers progressed sequentially to ~999,999 by early 1950s.
  • In 1954, Rolex reset the numbers to 100,000.
  • Case back date codes (e.g., III 53 for Q3 1953) assist in verifying production year.

2. Seven-Digit Sequential Era (1955–1987)

  • Rolex adopted 7-digit serials starting from 1,000,000.
  • Easy to date via serial charts.

3. Letter Prefix Era (1987–2010)

  • Format: One letter + six digits (e.g., R123456).
  • Letters do not follow alphabetical order.
  • Example progression:
    • R (1987–1988), L (1989), E (1990), X/N (1991), C (1992), S (1993–94)
    • W (1995), T (1996), U (1997–98), A (1999), P (2000)
    • K/Y (2001–02), F (2003–05), D (2005–06), Z (2006–07)
    • M (2007–08), V (2008–09), G (2010)

4. The Great Randomization (2010–Present)

  • Random 8-character alphanumeric serials.
  • No way to determine production year from the serial number alone.

Rolex Serial Number and Production Year Chart (Pre-2010)

Prefix/Serial StartApprox. Year
28,0001926
100,0001954 (reset)
1,000,0001955
9,999,9991987
R1987–1988
L1989
E1990
X / N1991
C1992
S1993–1994
W1995
T1996
U1997–1998
A1999
P2000
K2001
Y2002
F2003–2005
D2005–2006
Z2006–2007
M2007–2008
V2008–2009
G2010
RandomizedPost-2010

Where to Find the Serial Number on a Rolex Watch

Pre-2005:

  • Located between the lugs at the 6 o’clock position.
  • Requires bracelet removal to view.

2005–2008:

  • Dual engraving on both the case and the rehaut (inner ring between the dial and crystal).

2008–Present:

  • Serial engraved only on the rehaut at 6 o’clock.
  • Visible without removing bracelet.

How to Verify Rolex Authenticity Using Serial Numbers

A serial number alone doesn’t prove authenticity. However, it’s a starting point for verification. Combine the following methods:

1. Serial Number Inspection

  • Verify depth, clarity, and font consistency.
  • Check rehaut integration with surrounding “ROLEX” text.

2. Matching Documents

  • Warranty cards, service records, original box and tags.
  • Serial must match across papers and case.

3. Clasp and Bracelet Codes

  • Look inside the clasp for production codes (e.g., “I4” = Q4 1990).
  • Bracelet codes may not always match the watch, especially if replaced.

4. Crystal & Dial Details

  • Check for micro-coronet at 6 o’clock (from 2002 onward).
  • Look for rehaut engraving and placement accuracy.

5. Professional Authentication

  • Authorized Rolex dealers and certified watchmakers can access internal records.
  • Use for insurance, resale, and estate purposes.

Understanding Rolex serial numbers is a practical tool for identifying the origin, production period, and authenticity of a watch. While newer models no longer reveal the production year through the serial, Rolex has introduced other security features to help verify each piece.

Whether you’re buying, selling, or simply evaluating a Rolex, checking the serial number is one of several important steps. Combine it with documentation, physical inspection, and expert advice to confidently assess any timepiece.

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