Silver-tone stainless steel case with a black calfskin leather strap. Bi-directional rotating slide rule silver-tone stainless steel bezel. Black dial with luminous silver-tone hands and index hour markers. Minute markers. slide rule markings around the outer rim. Dial Type: Analog. Luminescent hands and markers. Date display between the 4 and 5 o'clock positions. Chronograph - sub-dials displaying: three - 60 second, 30 minute and 12 hour. Breitling Calibre 01 automatic movement with a 70-hour power reserve. Scratch resistant sapphire crystal. Pull / push crown. Transparent case back. Round case shape, case size: 43 mm, case thickness: 14.22 mm. Band width: 22 mm, band length: 7 inches. Tang clasp. Water resistant at 30 meters / 100 feet. Functions: chronograph, date, hour, minute, second, chronometer. Luxury watch style. Watch label: Swiss Made. Item Variations: AB012121-BG75-435X-A20BA.1. Breitling Navitimer 1 Chronograph Automatic Chronometer Black Dial Mens Watch AB0121211B1X1.