This style of pie-pan dial wasn't used until the cal. 505 was introduced in 1957, so I don't think it will fit any of the bumper movements or cases.
Something about it looks very Ref. 2852 about it. I do see that it could be measured at 29.6mm due to the lip around the dial. I suspect that's where the gold trim ring would fit.
Until I had a watchmaker attempt to fit the dial in one of those cases and fail, that's what I would say.
gatorcpa
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