Possible reps on ebay?

[ashtree]

http://www.ebay.co.uk/itm/Omega-Sea...080275237?pt=Wristwatches&hash=item2ed1518125
http://www.ebay.co.uk/itm/2531-80-O...320874258?pt=Wristwatches&hash=item418007e112

At the very least the bezel is aftermarket, but neither mention it in the description. Any other obvious tells?

 

[frodostar]

I know this ones gen
http://www.ebay.co.uk/itm/161286450884?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1586.l2649
its mine so please buy it!!!