The two numbers on the back of your TAG Heuer watch have different purposes. What do the serial and model numbers mean? The two numbers typically adopt the format of: The bottom number is your timepiece's unique serial number, while the top is the model reference, which is identical for each watch of the model type. TAG Heuer uses a slightly different system to some other Swiss watchmakers, so you will notice that there are two codes etched on your watch's back, one directly above the other. Depending on the model, your number may not be legible with the naked eye and some magnification might be required to read the digits. This number is engraved on the back of your timepiece's case, often beneath the TAG logo. Where can I find my TAG Heuer watch's serial number?Įach and every TAG Heuer watch is issued with a serial number. We've put together this guide to help you do exactly that, so read on to find out how you can identify a genuine TAG watch. One of the best ways to tell whether a TAG Heuer watch is the real deal is by locating and verifying its serial number. There is a global industry that specialises in producing fake TAG timepieces and, if you don't know what to look for, you could end up in possession of one of these replicas. With a rich heritage that stretches all the way back to 1860, they are highly desirable. Because TAG Heuer is one of the premier Swiss luxury watch brands on the market, they are also one of the most counterfeited.

Tag heuer authenticity check