The Ref. 5512 from 1959 has just about all the things we might seek out on the current Submariner. Its case experienced developed to 40mm, up from the 37mm to 38mm of before pieces. Crown-guards were being included, as well as bezel now somewhat overhung the facet of the situation https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/