This Rolex  Datejust 126334 , 41mm white Rolesor case comprised of a 904L steel monobloc middle case, screw-down steel back, screw-down crown with twinlock double waterproofness system, 18K white gold fluted bezel, scratch-resistant double anti-reflective sapphire crystal with cyclops lens over the date, black dial, 10 diamond hour markers, Rolex calibre 3235 perpetual self-winding movement with date at 3 o'clock that changes instantaneously at midnight in a few thousandths of a second, approximately 70 hours of power reserve, 904L steel Jubilee bracelet with five-piece links, folding Oysterclasp buckle with Easylink 5mm comfort extension link. Waterproof to 100 meters.