There were quite a lot of smaller Oysters made for the Canadian market with odd names, some just called "Oyster" (with the cal. 59) or others with the Rolex co-brand. Pioneer, Royalite, Victory, Firefly, Raleigh, Centregraph, Skyrocket were just some of these. Usually intended for soldiers and air men heading off to Europe and the Pacific. but this is just much less commonly seen. has an original dial. It measures roughly 30mm without the crown Screw Dow Crown Coin edge back plate The watch has a very thick gold plating that is in great shape. Watch just received a overhaul service and is running spot on after testing. It is from the early 40s when they were sold to soldiers going to WWII made just for the Canadian market only. Asking $1300 OBO