Stainless steel case with a navitimer stainless steel bracelet. Bi-directional rotating stainless steel bezel. Black dial with luminous silver-tone hands and index hour markers. Slide rule markings around the outer rim. Dial Type: Analog. Luminescent hands and markers. Date display between 4 and 5 o'clock position. Chronograph - three sub-dials displaying: 60 second, 30 minute and 12 hour. Automatic movement with a 70 hour power reserve. Scratch resistant sapphire crystal. Pull / push crown - two gaskets. Skeleton case back. Case diameter: 46 mm. Case thickness: 14.50 mm. Round case shape. Band width: 24 mm / 20 mm. Deployment clasp. Water resistant at 30 meters / 100 feet. "Slide Rule" aka "Navigation Computer". The Slide-Rule complication can compute different airborne calculations such as fuel consumption, climbing times & converting miles into nautical miles or kilometers. Functions: chronograph, date, hour, minute, second. Luxury watch style. Watch label: Swiss Made. Breitling Navitimer 01 46 MM Chronograph Navitimer Steel Mens Watch AB012721-BD09SS.