The Ref. 5512 from 1959 has nearly every little thing we'd try to find on the current Submariner. Its circumstance had developed to 40mm, up in the 37mm to 38mm of previously pieces. Crown-guards ended up added, as well as bezel now marginally overhung the side of the case to https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/