Rolex Sea Dweller 43Mm Black Dial

43mm stainless steel case, screw-down back, screw-down crown with triplock triple waterproofness system, unidirectional rotating bezel with scratch-resistant ceramic Cerachrom insert and platinum coated 60-minute graduations and numbers, scratch-resistant sapphire crystal with cyclops lens over the date, black dial, blue Chromalight hour markers, Rolex calibre 3235 self-winding movement with central hour, minutes, seconds, and instantaneous date in aperture, approximately 70 hours of power reserve, stainless steel Oyster bracelet with flat three-piece links, folding Oysterlock safety buckle with Rolex glidelock extension system and fliplock extension link. Waterproof to 1,220 meters (4,000 feet). Introduced at Baselworld 2017.