Rolex Sea-Dweller Deepsea watch, polished round stainless steel case (43mm diameter, 15mm thickness) with shoulders to protect the screw-down Triplock winding crown, specially designed helium escape valve and new Ringlock system, lightweight titanium case back, special time-lapse rotatable bezel with new scratch-proof Cerachrom black ceramic insert, stainless steel Oyster bracelet with wetsuit extension link and new Guidelock clasp (able to wear over a dive/wetsuit 7mm thick), black dial with larger luminous hour markers (maxi dial), date calendar at 3 o'clock, 31 jewel Caliber 3136 self-winding Oyster Perpetual chronometer movement, slightly domed synthetic sapphire crystal that is thicker than the sapphire crystals of other Oyster models, pressure-proof to 3900 meters (12,800 feet). |