The Ref. 5512 from 1959 has pretty much anything we'd try to look for on the current Submariner. Its situation experienced grown to 40mm, up from the 37mm to 38mm of earlier pieces. Crown-guards were being included, plus the bezel now a little overhung the aspect of the situation to https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/