Andersok
Posted December 11, 2015 - 7:08pm
This case can be found used in the Duo Wind (both luminous 'G' and non-luminous 'F' dials) and the Thayer model (not found in any ad before 1952, and is the non-luminous type with Selfwinding on the dial); so if we use the case as our date of this watch, 1951, we can rule out Thayer, leaving us with Duo Wind - without any variant, since we do not know what the original dial was (Selfwinding cannot be found in any Duo Wind ad before 1952 so the current dial is most likely not original, and not from a Thayer which was non-luminous). Also the design of the 6 is different than any of those found in the ads using this case; looks more like a dial from the Clipper line.
1951 Duo WInd (likely with dial and movement swap)