The Ref. 5512 from 1959 has pretty much almost everything we would seek out on The existing Submariner. Its scenario experienced developed to 40mm, up with the 37mm to 38mm of earlier parts. Crown-guards were extra, as well as the bezel now a little overhung the aspect of the situation https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/