Clasp Code Stamp — What This Mark Means

Marking photo

An alphanumeric code stamped on the bracelet clasp identifying the clasp model and sometimes the production date. This code helps identify replacement clasps and can aid in dating the bracelet.

#01

What This Usually Means

Clasp codes are manufacturer-specific identifiers found on the folding clasp of a metal or leather deployment bracelet. They often encode the clasp type, size, and sometimes production period. Matching the clasp code to the watch model helps verify that the bracelet is original to the watch.

#02

Where to Find It

Stamped on the inside of the clasp, typically visible only when the clasp is opened. Look on the inner surface of either the male or female half of the deployment mechanism.

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#03

Common Variations

Formats vary by brand. Some use purely numeric codes, others combine letters and numbers. The code length and format can indicate different clasp generations. Some clasps also include a separate date code or material stamp.

Common Misconceptions

People often confuse clasp codes with bracelet model numbers, but they are separate identifiers. A clasp code identifies just the clasp mechanism, while the bracelet has its own model number. Also, matching clasps have been available as aftermarket parts, so a correct code doesn't guarantee originality.

What to Do Next

Record the clasp code and compare it with known databases or manufacturer records for your watch model. If buying pre-owned, verify the clasp code matches what was originally supplied with that model and production year.

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Frequently asked questions

Where do I find the clasp code?

Open the clasp fully and look on the inner surfaces. It's typically stamped on the inside of one of the clasp halves.

Can the clasp code tell me when my bracelet was made?

Sometimes. Some brands include date codes within the clasp stamp, though this practice varies by manufacturer and era.

Is the clasp code the same as the bracelet model number?

No. The clasp code identifies the clasp mechanism specifically, while the bracelet model number identifies the entire bracelet.

Does a matching clasp code guarantee originality?

Not always. Correct replacement clasps are available, so the code alone doesn't prove the clasp is original to your specific watch.

Can I order a replacement clasp using this code?

Often yes. The clasp code is the primary identifier parts suppliers use to source the correct replacement.

Why does my clasp have multiple stamps?

Clasps often carry a clasp code, material marking, and sometimes a brand logo or date code on different surfaces.

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