Hi, I have found on ebay this strange watch but I can't find other info about this ref. Is original or a fake?

Thx Francesco

 

Cal 613
Serial number is 30 million range

It's an 18k Italian market geneve

Google search "omega geneve 132"

Model is 132.91003
Size might be 33mm which is a tad small.

It's sister watch is on eBay with a slightly different case.
http://m.ebay.com/itm/311869919760?_mwBanner=1Purchases made through these links may earn this site a commission from the eBay Partner Network

 

In your opinion is original or a fake?

 

It's real