Rolex Datejust 31 278343RBR woMen's watch. Features a polished 904L Oystersteel stainless steel case and polished solid 18k yellow gold with brushed 904L Oystersteel stainless steel Jubilee bracelet. Polished solid 18k yellow gold domed bezel set with 24 diamonds. Olive green dial with diamond hour markers. Date window displayed under cyclops lens at 3 o��clock with instantaneous date setting feature. Stop-seconds feature for precise time setting. Powered by the Rolex Caliber 2236 self-winding automatic COSC Superlative Chronometer certified movement which boasts a 55 hour power reserve, beats at 28,800 vph and contains 31 jewels. A scratch resistant sapphire crystal protects the dial. The case is round and 31mm in diameter. Screw down case back. Screw down crown with Twinlock double waterproofness system.