Omega’s serial numbers run in sequence: higher means newer. Omega never published an official table, so this tool estimates from widely published collector tables. Treat the answer as a starting point — the serial dates the movement, and casing or final assembly could lag by a year or more.
Digits only — strip spaces and dashes. Modern pieces: laser-etched on the caseback or a lug. Vintage: engraved on the movement itself, which means having a watchmaker open the case.
Where to find your serial
On modern Omegas the serial is laser-etched in tiny digits — usually on the caseback or the 7 o’clock lug — and you’ll want a loupe to read it. On vintage pieces it lives on the movement: a bridge or plate engraving visible only with the caseback off. If the watch has to be opened, let a professional do it; a slipped case knife costs more than a service quote.
Reading the result honestly
- It’s an estimate. Expect ±1–2 years of blur, worse at the edges of any range. Published tables disagree with each other in places, and Omega’s own records are the only authority.
- The serial dates the movement, not the watch. Movements could sit in stock before casing, so a watch can be younger than its serial suggests.
- Speedmasters kept their own books. From 1957 into the mid-1970s, Speedmaster serials ran in separate blocks from the main Omega sequence — a 1969 Speedmaster can read ~28 million where a Seamaster of the same year reads ~31 million. The tool accounts for this in the era notes below.
- For certainty, ask Omega. An Extract from the Archives — issued from Omega’s museum in Bienne against the original production records — is the only document that settles a birth year.
About these tables
Serial ranges here are compiled from widely published collector references — the same charts dealers and forums have circulated for years — and are reproduced as estimates, not as Omega documentation. Omega SA publishes no official serial table and is not affiliated with this site. If you spot a range that conflicts with a documented watch, tell me — corrections from the community make the tool sharper.