Examine And Verify TAG Heuer Serial Number Each TAG Heuer watch has an exclusive serial number, making this one of the most significant ways to verify authenticity. You may see the TAG Heuer serial number on the caseback. It should be engraved on the edge of the crystal for models with a transparent caseback.

TAG Heuer is not in any way related to Rolex other than the fact that they're both swiss watchmakers. Is There Any Better Watchmaker Than Rolex? It's hard to say as opinions vary, depending on watch type and price points. But some of the few luxury watchmakers touted to make better watches than Rolex are A.

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.