So, except for the model number and serial numbers possibly missing (but seem to bee there if the pic is blown up), I lean towards real but can't give it a 100% thumbs up. I dont recall seeing fakes with this but I could be wrong. In the first pictures, I noticed the antireflective blue hue on the outer crystal. If the two numbers are present and match, this would indicate a good chance of it being real. Xxxxxxxxx' is the COSC certification number that should match the same number engraved on the movement. There is a very faint etching that could be the model number The 'No. Advanced Engineering Mathematics By Jain And Iyengar Pdf Free Download there. My Grand Carrera TAGs do have an inscription such as 'No 1654372' (the Serial Number) which appears to be what is inscribed on the back of yours, but they also have the Model Number inscribed on the back, and it appears that yours does not. All of my (non Grand Carrera) TAG's (with the exception of Limited Editions) have a 6 or 7 digit Serial Number which generally has both letters and numbers. Yours should have the model number 'WAV511A' and I don't see it there. All of my TAG's have a model number on the back of the case. I'm troubled by the serial number, it leads me to think that you have a fake. They will supply you with the address of your nearest authorized TAG Heuer dealer upon request.

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Serial number tag heuer grand carrera