The Entire classic Sub hallmarks had been current in ‘53: the black, luminous dial; the rotating dive bezel; the matching metal bracelet; the screw-down crown. And yet. Watch nerds like “Swiss Designed” over the dial in the watch - Look for the “Swiss Manufactured” textual content with the six o’clock https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/