TAG Monza-question

Just bought a TAG/Carrera Heritage over the Holidays. I'm now looking at trying to find a good quality Monza series (WR2110). I came across this on eBay. Any thoughts, as to the condition/authenticity, vs price? I"m considering a potential purchase. Thank you.

link:
http://www.ebay.com/itm/Tag-Heuer-M...944197?hash=item41a27c86c5:g:0JAAAOSwT4lWSmMD

best,
Todd