Rolex Yellow Gold Datejust 31 Watch - Domed Bezel - Mother-of-Pearl Diamond Dial - President Bracelet - 278248 mdp31mm 18K yellow gold case, screw down crown with twinlock double waterproofness system, domed bezel, scratch resistant sapphire crystal with cyclops lens over the date, mother of pearl dial, 10 diamond hour markers, Rolex calibre 2236 automatic movement with center hour, minute and seconds hands, instantaneous date with rapid setting, and stop seconds for precise time setting, approximately 55 hours of power reserve, 18K yellow gold President bracelet