ROLEX, A RARE DIVER'S AUTOMATIC CALENDAR WRISTWATCH, Model: Oyster Perpetual Date Sea-Dweller Submariner 2000, Ref:1665, circa 1971,

ROLEX, A RARE DIVER'S AUTOMATIC CALENDAR WRISTWATCH, Model: Oyster Perpetual Date Sea-Dweller Submariner 2000, Ref:1665, circa 1971,
black dial signed Rolex Oyster Perpetual Date, Sea-Dweller Submariner 2000 (in red), 2000ft=610m, Superlative Chronometer Officially Certified, luminous dot and baton markers, date aperture, Mercedes hands, sweep centre seconds, self winding movement, case with calibrated black bezel, protected screw down winding crown, gas escape valve, screw back inscribed Rolex, Rolex Patent, Gas Escape Valve, Oyster, stainless steel Oyster bracelet with deployant clasp, 39mm.