Stainless steel case with a stainless steel bracelet. Bi-directional rotating 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 at the 3 o'clock position. Chronograph - three sub-dials displaying: 60 seconds, 30 minutes, and 12 hours. Breitling calibre 13 automatic movement with a 42-hour power reserve. Scratch resistant sapphire crystal. Pull / push crown. Solid case back. Round case shape. Case size: 41 mm. Case thickness: 14.44 mm. Band width: 22 mm. Band length: 7 inches. Fold over clasp with a safety release. Water resistant at 30 meters / 100 feet. Functions: chronograph, date, hour, minute, second, chronometer. Luxury watch style. Watch label: Swiss Made. Item Variations: A1332412-BG74-451A. Further Information: The Slide-Rule aka Navigation-Computer complication computes airborne calculations such as fuel consumption, climbing times & converts miles into nautical miles or kilometers. Breitling Navitimer 1 Chronograph Automatic Black Dial Mens Watch A13324121B1A1.