CARTIER CODE CHECK

Cartier serial number checker, and when the number stopped meaning anything

Enter the serial engraved on the back of the case, in the order it appears. The order and the length are what tell the systems apart.

This checker does not tell you whether your Cartier is genuine. A serial number can be copied onto a fake as easily as it appears on a real one, and only a professional authentication can settle that. Have your Cartier authenticated by an expert

IN SHORT

What a Cartier serial number actually tells you

A Cartier serial number dates the watch only if it was made before about 2009, and only if the number is long enough to carry a date. Up to then the first two digits are the last two digits of the production year, whether or not the number begins with a letter prefix, so AB94512 and 9412345 both read as 1994. A four or five digit all-digit serial is the pre-1970s format and encodes no year at all, and a six digit one has two published readings that the checker returns together. Around 2009 Cartier moved to a randomised serial with the digits first and two letters trailing, and that format carries no date either. The order of the characters and the length of the number are what tell the systems apart.

On a pre-2009 watch it gives you a production year, and that is all. It is not proof of authenticity: serials are engraved on counterfeits, and Cartier does not confirm this rule, so a year from this page is a well-supported reading rather than a fact from the manufacturer. Two of the three guides behind it also warn that two digits cannot fix a decade on their own, which is why the model and the movement have to agree with the answer. Its real value is contradiction. A serial reading 1994 on a model Cartier did not launch until 2015 is a genuine problem, and that kind of mismatch is what an authenticator looks for.

CARTIER SERIAL NUMBER FORMATS

Cartier serial numbers era by era

Era What the marking looks like Example
About 1980 to 2008, letters then digits Two letters, then the two year digits, then the rest of the number AB94512 → 1994
About 1970 to 2008, six to eight digits Digits only, six to eight of them, the first two being the year 9412345 → 1994
1970s to early 1980s, six digits, the vintage reading Exactly six digits, no letters 941234 → 1970 to 1983
Pre-1970s, four or five digits, no date encoded Four or five digits, no letters 12345
2009 onwards, randomised Digits first, then two letters at the end 132798BX

Compiled from professional authentication reference material and reviewed in-house.

THE FULL CHART

Cartier serial number chart code by code, decade by decade

  • 002000
  • 012001
  • 022002
  • 032003
  • 042004
  • 052005
  • 062006
  • 072007
  • 082008
  • 701970
  • 711971
  • 721972
  • 731973
  • 741974
  • 751975
  • 761976
  • 771977
  • 781978
  • 791979
  • 801980
  • 811981
  • 821982
  • 831983
  • 841984
  • 851985
  • 861986
  • 871987
  • 881988
  • 891989
  • 901990
  • 911991
  • 921992
  • 931993
  • 941994
  • 951995
  • 961996
  • 971997
  • 981998
  • 991999
Serial rangeYear
1970s
0 to 999,9991970 to 1983

The two digits are only the LAST TWO of the year. They do not carry the decade and they do not carry the century, and the published guides say so in their own words: one warns that the same two digits repeat every hundred years and that you have to bring the model's design era, case material and movement to close the question, another that even where the rule applies you still need the approximate decade to tell a 1994 watch from a 1984 one. What narrows it is the shape of the number. A four or five digit all-digit serial is the pre-1970s format and carries no year at all. A six digit one has two published readings and this checker returns both, with the question that separates them: does the model, the case and the movement look like the year the digits give, or like a vintage piece?

WHERE TO LOOK

Finding the serial number on your Cartier

1980 Engraved on the outside of the caseback, so no disassembly is needed. Sometimes between the lugs or on the inner case ring instead. The two digits straight after the letters are the last two of the year. The letters themselves are a case or model prefix and do not carry a date. The table starts at 80 rather than 70 because that is where the letters-first dating table begins in the only source that publishes one for this shape; the same source dates the letters-first format itself to the late 1980s onwards, so a lettered serial reading 7x is not something either guide covers.
1970 Engraved on the outside of the caseback. This is the table one source publishes in full for purely numeric serials, 70 through 08, and a second states as the same rule. A third guide reads a short all-digit Cartier number as a vintage sequence instead of a date, which is why anything under six digits gets no year here and why a six digit number comes back with both readings.
1970 Engraved on the outside of the caseback, or as part of a longer combined reference and serial on the oldest pieces. One published guide puts every five or six digit all-digit Cartier serial in the 1970s or the early 1980s and says dating one needs specialist knowledge, while the year table reads the same six digits as a year in the 1970s to 2000s. Those are two real readings of one number, so the checker returns both rather than choosing. The model, the case material and the movement generation are what settle it.
1970 Engraved on the caseback, and on the oldest pieces sometimes only inside the case. One guide is explicit about this shape: four to five digits, no letters, sequential only, no year encoding. A second puts the serials its own year table addresses at six to ten characters, so a four or five digit number sits below the range that table covers. A third says the oldest Cartiers have fewer digits, no letters, and often have to be dated by the sequence or by asking Cartier. Reading the first two digits of a number this short as a year would invent one.
2009+ Engraved on the outside of the caseback. This is the modern format and it carries no date. The trailing letters are part of a randomised string and mean nothing individually. Any tool that returns a year from a serial in this shape is inventing it.
NO CODE

If your serial gives you no year

Three normal reasons. The likeliest is that the watch is from 2009 or later. Cartier randomised its serials around then and there is no date in them, so no chart and no tool can supply one, and anything that does is inventing it. Check the order of the characters: digits first with two letters at the end is the modern format. The second reason is a short number, four or five digits with no letters, which is the pre-1970s format and was never year encoded. The third is the pair 09 itself, the changeover year that no published guide pins, so the checker declines it rather than guess. In every case the date comes from the warranty card, the boutique receipt, or Cartier itself, which can confirm production against records it does not publish. An authorised Cartier service centre is the route to that.

COMMON QUESTIONS

Cartier serial number questions

The things people actually ask us about Cartier serial numbers, answered by the team that reads them for a living.

Where is the serial number on a Cartier watch?

Engraved on the outside of the caseback on nearly all of them, so unlike an Omega you do not need to open the watch to read it. On some models it sits between the lugs or on the inner case ring instead. It is a separate number from the reference, which identifies the model.

How do I tell a pre-2009 Cartier serial from a newer one?

By the order of the characters. Pre-2009, the letters come first or there are no letters at all, as in AB94512. From about 2009, the digits come first and two letters trail at the end, as in 132798BX. That ordering is the most reliable signal, and it is what this checker reads first.

Which digits are the year, and do they give me the decade?

The first two digits, after any letter prefix, are the last two digits of the year. 94 is 1994, 00 is 2000, 08 is 2008. What those two digits cannot do on their own is fix the decade or the century, and two of the three guides behind this page say so outright: one that the same pair repeats every hundred years, the other that you still need the model's approximate decade to tell a 1994 watch from a 1984 one. The length and shape of the serial narrow it, and the model, the case and the movement close it. The table also stops at 08 deliberately, because 2009 is the changeover year and no source pins it.

My serial is four or five digits and no year comes back. Why?

Because that is the pre-1970s format and it was never year encoded. The guide that documents this shape is explicit: four to five digits, no letters, sequential only, no year in the number. The guide that publishes the year table puts the serials it covers at six to ten characters, so a short number sits below the range that table addresses. A tool that returns a confident modern year for a four or five digit Cartier is reading a production sequence as a date. Watches like that are dated by the model, the case, the movement and any paperwork that survives.

Can Cartier tell me the year?

Yes, and it is the only definitive answer available. Cartier keeps its production records internally and can confirm a serial through an authorised service centre or boutique. Nothing published, including this page, has access to those records.

Is the serial the same as the reference number?

No. The reference identifies the model, the case and the dial, and it does not encode a production year. The serial is the individual number for that watch. They are often confused, and entering a reference here will not return a date.

Does a valid serial mean my Cartier is genuine?

No. Counterfeits are engraved with serials, often ones that decode to a plausible year, because the rule on this page is public. What is hard to fake is agreement between the serial, the reference, the movement and the case finishing, and that is what an expert check examines.

How reliable is this dating rule?

It is a collector guideline. Cartier has never published its serial system, so every guide in circulation, including this one, is reconstructed from watches people have seen and dated by other means. Three independent guides word the rule the same way, which is why we are willing to publish it, but all three also call it a guideline with exceptions, so a year from this page is approximate and well-supported rather than certain. Treat any site presenting it as official with suspicion.

Still not sure? Ask the authenticators The people who read these markings for a living, and who check your item
FREE LEARNING

Free Cartier authentication guides

A code narrows things down. These guides cover what it cannot: the movement, the dial printing and the case finishing on a real Cartier. , our guide author since 2019, draws every method from what our authenticators have documented across 2 million+ real items. Read his Cartier guides, or browse the full library of free guides covering 100+ luxury brands.

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