Mine:


Ebay: (At least one of the hands looks replaced though.)




http://www.ebay.com/itm/VINTAGE-OME...932655493?pt=Wristwatches&hash=item2578557185Purchases made through these links may earn this site a commission from the eBay Partner Network

 

Is that the same reference? If yes, It looks as if it was polished in a rock tumbler compared to yours.

 

Should be. Mine also has the 50X in it.