I am right in thinking that all cal.321 Speedmasters were fitted with DON bezels, right?
http://www.ebay.com.au/itm/Omega-Sp...-Bezel-ONLY-/151766541092?hash=item2355fda324Purchases made through these links may earn this site a commission from the eBay Partner Network
Edited by a mod Aug 7, 2015