Stainless steel case with a black (alligator) leather strap. Fixed stainless steel bezel. Black dial with luminous silver-tone hands and index and Roman numeral hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Date display at the 3 o'clock position. Day of the week display centered on the 12 o'clock position. MB 24.17 automatic movement with a 38-hour power reserve. Scratch resistant sapphire crystal. Pull / push crown. Transparent case back. Round case shape. Case size: 40.5 mm.Case thickness: 10.14 mm. Band width: 20 mm / 18 mm. Tang clasp. Water resistant at 50 meters / 165 feet. Functions: date, hour, minute, second. Luxury watch style. Watch label: Swiss Made. Montblanc 4810 Automatic Black Dial Black Leather Mens Watch 115936.