The Ref. 5512 from 1959 has just about anything we might search for on The present Submariner. Its case had grown to 40mm, up within the 37mm to 38mm of previously pieces. Crown-guards have been extra, as well as the bezel now a little overhung the side of the situation https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/