Rolex Style No: 126067bk Rolex Sea-Dweller Deepsea Challenge Watch - 50mm RLX Titanium Case - Black Dial

50mm RLX titanium case with nitrogen-alloyed steel ring and helium escape valve, screw-down back, screw-down crown with triplock triple waterproofness system, unidirectional rotatable bezel with 60-minute graduations, scratch-resistant Cerachrom insert in ceramic, numerals and graduations coated in platinum, domed 9.5 mm-thick scratch-resistant sapphire crystal, intense black dial, Rolex calibre 3230 perpetual self-winding movement, approximately 70 hours of power reserve, Oyster bracelet with flat three-piece links, folding Oysterlock safety buckle with rolex glidelock extension system and fliplock extension link. Waterproof to 11,000 meters / 36,090 feet.