Silver-tone stainless steel case with a silver-tone stainless steel rolex oyster bracelet. Fixed, domed stainless steel bezel. Black dial with Arabic numeral hour markers. Dial Type: Analog. Rolex Calibre 2231 automatic movement with a 48-hour power reserve. Scratch resistant sapphire crystal. Screw down crown. Round case shape. Case size: 26 mm. Oyster clasp. Water resistant at 100 meters / 330 feet. Functions: hour, minute, second. Luxury watch style. Watch label: Swiss Made. Rolex oyster Perpetual Automatic Black Dial Ladies Watch 176200BKAO.