Black stainless steel case with a black rubber strap. Bi-directional rotating black stainless steel bezel. Black dial with luminous black hands and index hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Date display at the 6 o'clock position. Chronograph - two sub-dials displaying:60 second and 30 minute. Breitling caliber 01 automatic movement with a 70-hour power reserve. Scratch resistant sapphire crystal. Pull / push crown. Transparent case back. Case size: 46 mm. Case thickness: 14.5 mm. Round case shape. Band width: 22 mm / 20 mm. Deployment clasp with a push button release. Water resistant at 30 meters / 100 feet. Functions: chronograph, date, hour, minute, second. Luxury watch style. Watch label: Swiss Made. Additional Information: 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. Breitling Navitimer 01 Chronograph Men's Watch MB012822-BE51BKRD.