Rolex 126234 bkio Datejust 36mm Black Dial Oyster Bracelet Men's Watch.  36mm Oystersteel case, screw-down steel back, screw-down crown with twinlock double waterproofness system, fluted bezel, scratch-resistant sapphire crystal with cyclops lens over the date, black dial, index hour markers, Rolex calibre 3235 perpetual self-winding movement with center hour, minute and seconds hands, instantaneous date at 3 o'clock with rapid setting, and stop-seconds for precise time setting, approximately 70 hours of power reserve, Jubilee bracelet with five-piece links, folding Oysterclasp buckle with Easylink 5mm comfort extension link. Waterproof to 100 meters. Baselworld 2019 release.