The Ref. 5512 from 1959 has pretty much every little thing we'd search for on The present Submariner. Its case experienced grown to 40mm, up from the 37mm to 38mm of previously parts. Crown-guards were being included, as well as the bezel now somewhat overhung the facet of the case https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/