Silver-tone stainless steel case with a silver-tone stainless steel oyster bracelet. Fixed silver-tone stainless steel bezel. Black dial with silver-tone hands and Arabic numeral hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Rolex Calibre 3131 Automatic movement, based upon Rolex 3130, containing 31 Jewels, bitting at 28800 vph, and has a power reserve of approximately 48 hours. Scratch resistant sapphire crystal. Screw down crown. Solid case back. Round case shape, case size: 40 mm. Fold over clasp. Water resistant at 100 meters / 330 feet. Functions: hour, minute, second, chronometer, magnetic resistant. Air King Series. Luxury watch style. Watch label: Swiss Made. Pre-owned Rolex Air King Automatic Chronometer Black Dial Mens Watch 116900 BKAO.