Stainless steel case with a black leather strap. Bidirectional stainless steel bezel. Black dial with luminous silver-tone hands and index hour markers. Minute markers. 24 hour markers. Slide rule scale. Dial Type: Analog. Luminescent hands and narkers. Date display at the 3 o'clock position. Chronograph - three sub-dials displaying: 60 second, 30 minute and 12 hour. Automatic movement. Scratch resistant sapphire crystal. Push / pull with two gaskets crown. Solid case back. Case diameter: 46 mm. Case thickness: 14.60 mm. Round case shape. Band width: 24 mm. De ployment clasp. Water resistant at 30 meters/ 100 feet. Functions: second, chronograph, date, hour, minute. Sport watch style. Watch label: Swiss made. Additional Information: Slide Rule" aka "Navigation Computer" which allows to compute different airborne calculations such as fuel consumption, climbing times & converting miles into nautical miles or kilomters.. Breitling Navitimer World Men's Watch A2432212-B726BKLD.