The Ref. 5512 from 1959 has just about anything we might seek out on the current Submariner. Its scenario experienced developed to 40mm, up in the 37mm to 38mm of previously pieces. Crown-guards were being added, along with the bezel now a little bit overhung the side of the situation https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/