Thank You for all the nice comments. Unfortunately the caseback is seriously corroded, so I need a new Case or Caseback. Movement looks good but needs a service. That would have been that http://www.ebay.co.uk/itm/Rare-Omeg...D&orig_cvip=true&rt=nc&_trksid=p2047675.l2557Purchases made through these links may earn this site a commission from the eBay Partner Network Tamura
There are bigger ones... http://omegaforums.net/threads/jumbo-37-5-mm-1950-horn-lug-rose-omega-bumper-cal-332-ref-2482.8327/
With these I've found it makes a great difference if you've been used to 34mm, 36mm + is a big advantage. Doesn't look much...