Me thinks I've seen that bezel before: http://www.ebay.com/itm/Vintage-Ome...067085?hash=item282822e40d:g:9b4AAOSw9GhYbHZPPurchases made through these links may earn this site a commission from the eBay Partner Network
As suggested by @abrod520, labeling this one as a "California Special" See also, https://omegaforums.net/threads/war...original-dial-and-don-bezel-back-again.35551/