The Ref. 5512 from 1959 has just about almost everything we would seek out on The existing Submariner. Its circumstance had grown to 40mm, up within the 37mm to 38mm of previously parts. Crown-guards were being included, as well as the bezel now marginally overhung the aspect of the situation https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/