Stainless steel case with a black leather strap. Fixed stainless steel bezel. Black dial with silver-tone hands and Roman numeral hour markers. Minute markers around an inner ring. Dial Type: Analog. Date display at the 6 oclock position. Chronograph - two sub-dials displaying: 12 hour and 60 seconds. Omega calibre 9300 automatic movement, containing 54 Jewels, composed of 337 parts, bitting at 28800 vph, and has a power reserve of approximately 60 hours. Scratch resistant sapphire crystal. Pull / push crown. Transparent case back. Round case shape. Case size: 42 mm. Case thickness: 16 mm. Band width: 22.9 mm. Fold over clasp with a push button release. Water resistant at 100 meters / 330 feet. Functions: chronograph, date, hour, minute, second, chronometer. De Ville Co-axial Series. Luxury watch style. Watch label: Swiss Made. Item Variations: 431 13 42 51 01 001, 431-13-42-51-01-001, 431/13/42/51/01/001, 43113425101001. Omega De Ville Co-Axial Black Dial Black Leather Mens Watch 431.13.42.51.01.001.