The Entire basic Sub hallmarks have been current in ‘53: the black, luminous dial; the rotating dive bezel; the matching steel bracelet; the screw-down crown. And but. Watch nerds love 3035 provided a quickset date wheel, while the reference is considered a “transitional” watch for the following motive: Early examples https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/