The Ref. 5512 from 1959 has just about all the things we'd try to find on the current Submariner. Its situation experienced grown to 40mm, up through the 37mm to 38mm of earlier parts. Crown-guards were added, plus the bezel now a little overhung the facet of the case to https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/