Tools
CloseWhat year is my Longines?
Pick the brand. Type the number. We’ll tell you when it was most likely made.
Longines has kept count since 1867. Its old numbers tell the year well.
How well the number tells the year
ClearlyClear up to 1969. Later watches are dated by their model.
Where to look
- On the movement, for older watches.
- On the case back for newer ones, and on the warranty card.
Ask the maker
To the best of our knowledge, Longines offers an extract from its archives for watches over ten years old.
Questions
Where is the serial number on Longines watches?
On the movement, for older watches. On the case back for newer ones, and on the warranty card.
Can the serial number tell me when my Longines was made?
Clear up to 1969. Later watches are dated by their model. Longines has kept count since 1867. Its old numbers tell the year well.
Does Longines keep official records of its watches?
To the best of our knowledge, Longines offers an extract from its archives for watches over ten years old.
Does a matching serial number prove my Longines is genuine?
No. Real serial numbers are copied onto fakes, so a number that looks right proves nothing on its own. This lookup only estimates when a watch was made. For a proper opinion on authenticity, have the watch inspected with the case back open.
Every answer here is approximate and given to the best of our knowledge, from charts published by dealers and collectors. Watchmakers rarely publish their own.
A correct number doesn’t prove a watch is genuine. For a proper opinion on your watch, bring it in for an inspection, or read how to tell if a watch is genuine.
What you type stays on your device. Nothing is sent to us or anyone else. Please don’t post your full serial number online.
Last checked against the published charts on 5 November 2026.