The Ref. 5512 from 1959 has nearly everything we'd seek out on The existing Submariner. Its situation experienced developed to 40mm, up in the 37mm to 38mm of earlier items. Crown-guards have been additional, and the bezel now slightly overhung the aspect of the situation to make it much easier https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/