All Of the typical Sub hallmarks were being current in ‘53: the black, luminous dial; the rotating dive bezel; the matching steel bracelet; the screw-down crown. And yet. Watch nerds like Christie’s This was largely a ref. 6538 — it continue to featured the 200m of water resistance, graduated bezel, https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/