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 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 3186 Automatic movement, containing 31 Jewels, bitting at 28800 vph, and has a power reserve of approximately 50 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: date, GMT, second time zone, hour, minute, second, chronometer. Explorer II Series. Luxury watch style. Watch label: Swiss Made. Pre-owned Rolex Explorer II GMT Automatic Chronometer Black Dial Mens Watch 16570 BKSO.