The Ref. 5512 from 1959 has pretty much every little thing we would hunt for on The present Submariner. Its scenario experienced developed to 40mm, up through the 37mm to 38mm of previously parts. Crown-guards were extra, plus the bezel now a little bit overhung the aspect of the case https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/