The Ref. 5512 from 1959 has pretty much every thing we would look for on The existing Submariner. Its situation had grown to 40mm, up within the 37mm to 38mm of before parts. Crown-guards ended up additional, and the bezel now a little bit overhung the side of the case https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/