Watch Serial Number Lookup
Maurice Lacroix, an independent Swiss manufacturer known for the Aikon and Masterpiece collections, engraves a serial number on every watch. Here's where to find it and how to check it.
Watch checks & theft reports
A database check is not proof of authenticity or ownership.
Maurice Lacroix typically engraves the serial number on the case back, often alongside the model reference. It's also recorded on the warranty card issued at purchase.
It uniquely identifies your individual watch. Maurice Lacroix does not publish a public consumer serial-to-date decoder, so serial-number conventions vary by model and production period — verify specifics with an authorized dealer.
No, not by itself. A serial number that looks correct doesn't rule out a counterfeit case, so pair a serial check with an inspection for anything you're uncertain about.
Check the case back, between the lugs, the rehaut, the movement, the warranty card and the original box or papers. Locations vary by brand — see the brand guides below.
Most brands also stamp a separate reference or model number. Together, the two numbers identify the exact watch far better than either alone.
Run the serial number through our stolen-watch database to check whether matching watch information has been reported stolen.
A match or a clean result is one data point, not a verdict — compare the watch's details carefully either way.
For a significant purchase, pair your search with authentication from the manufacturer, an authorized dealer or an independent watch specialist.
Maurice Lacroix remains an independently run Swiss manufacturer known for in-house movement development alongside more accessible quartz and automatic lines. Serial-number conventions vary by model and production period, so an authorized Maurice Lacroix dealer is the right source to verify a specific watch's details.
It's engraved on the case back, typically near the reference number, and also recorded on the warranty card issued at purchase.
Maurice Lacroix doesn't offer a public serial-to-date lookup, so serial-number conventions vary by model and production period — an authorized dealer can help verify specifics.
No, not by itself. Pair a serial number check with an inspection by an authorized dealer for anything you're not confident about.
Find the serial number on the case back and search it through StolenWatchX's stolen-watch database before you buy or accept the watch.
Where to find a serial number, what it can tell you, and how to check it.
How to search a serial number against stolen-watch records before you buy.
What a serial or database check can — and can't — prove about authenticity.
A full due-diligence checklist for buying a pre-owned watch safely.
Start a police, insurer and marketplace report for a stolen watch.