8 Million Serial, Spider Dial 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 3085 Automatic movement, containing 27 Jewels, bitting at 28800 vph, and has a power reserve of approximately 42 hours. Scratch resistant sapphire crystal. Screw down crown. Solid case back. Round case shape, case size: 40 mm, case thickness: 13 mm. Band width: 20 mm, band length: 7.5 inches. Fold over clasp. Water resistant at 100 meters / 330 feet. Functions: hour, minute, second, date.