All The basic Sub hallmarks had been current in ‘53: the black, luminous dial; the rotating dive bezel; the matching steel bracelet; the screw-down crown. And however. Watch nerds love The bezel has 3 quirks. 1st, it’s machined from a strong piece of the respective metal to match the case https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/