This one on Ebay strikes me as off but I'm not an Omega expert so I'm curious what others think. Here's the auction:
http://www.ebay.com/itm/370539233711
The date window and the length of the dial marker at 3:00 strike me as being more like this $200 rep:
http://www.watchesmod.com/omega-replica/seamaster-2517.80-watch-2597.html
then the genuine on the Omega site:
http://www.omegawatches.cn/gents/seamaster/aqua-terra-quartz/25178000
However, there may have been small variations in the gen during it's production that I'm not aware of, thus this post.