Rolex Gmt Master II men's analog watch with black dial. Silver-tone oystersteel case and bracelet, equipped with a screw-down two-tone (black/gray) bezel featuring bi-directional rotation. Luminescent markers and hands ensure excellent night-time readability. Diamond-cut hour batons mark the hours on a silver-tone handset against an elegant black dial. Minute markers are present around the outer rim of the case. Date display located at 3 o'clock position. Powered by Rolex Calibre 3285 automatic movement, which incorporates 31 jewels and operates at 28800 vph (beats per hour). Power reserve approximately 70 hours. Scratch resistant sapphire crystal lens. Screw down crown for secure sealing. Solid case back included. Round 40 mm case shape with fold over clasp closure system. Water resistant to 100 meters / 330 feet, suitable for recreational diving activities. Functions include displaying seconds, minutes, hours and the date.