The seller (from Romania) has a lot of positive feedback in their history so I went ahead with the purchase of the watch shown above.
After I received the watch I started looking around to see how you can tell a replica from the real thing, and I came across several sites that say a Tag's with the serial number LY3487 are fakes. Sure enough that's what my serial number is. Additionally, the watch I got says CV2014 not CV2010 as described in the eBay listing. I've contacted the seller requesting a refund and their response:
You tell a watch is original or not by the mechanism it has, the mechanism your watch has is an ETA VALJOUX SWISS MOVEMENT with all the functions (crhromigragh ,thachymetre etc) provided by the manufacturer. A fake one does not have these mechanism because is very expensive only the mechanism is around 1400$. So please go to the expert, a specialist in watches, or watch mechanic how has solid information about watches and he will confirm that thw watch is authentic.The more important at the watch is the mechanism not a serial no wich is very easy to encrave the model cv2010 comes from cv2014 tag heuer change the stap in order to make it look luxury, the people on the forums does not know nothing aboyt watches and it's imposible for a fake watch to has all the function that authentic watch has, so please go to a specialist i will pay the amount that the expert of watches will charge you to examine the watch.
Any thoughts on the seller's reply? I'm curious as to why they did not address the serial number.
Thanks in advance for all responses!