Silver-tone stainless steel case with a silver-tone stainless steel oyster bracelet. Uni-directional rotating black bezel. Black dial with silver-tone hands and index hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Date display at the 3 o'clock position. Rolex Calibre 3135 Automatic movement, 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, case thickness: 12.70 mm. Band width: 20 mm, band length: 7.50 inches. Fold over clasp with a safety release. Water resistant at 300 meters / 1000 feet. Functions: date, hour, minute, second, chronometer. Submariner Series. Dive watch style. Watch label: Swiss Made. Pre-owned Rolex Submariner Automatic Chronometer Black Dial Mens Watch 16610 BKSO.