The Ref. 5512 from 1959 has pretty much all the things we might hunt for on The present Submariner. Its case experienced developed to 40mm, up with the 37mm to 38mm of before items. Crown-guards were being extra, and the bezel now a bit overhung the facet of the case https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/