The Ref. 5512 from 1959 has nearly all the things we would look for on The present Submariner. Its case had developed to 40mm, up from the 37mm to 38mm of earlier parts. Crown-guards ended up extra, and the bezel now slightly overhung the side of the case to make https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/