Stainless steel case with a stainless steel bracelet. Bi-directional rotating stainless steel bezel. Black and green 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. Day of the week and date display at the 3 o'clock position. Chronograph - three sub-dials displaying: 12 hour, 30 minute and 1/4th of a second. Automatic movement. Scratch resistant sapphire crystal. Screw down crown. Solid case back. Case diameter: 45 mm. Round case shape. Band width: 22 mm. Deployment clasp. Water resistant at 100 meters / 330 feet. Functions: chronograph, date, hour, minute, second, slide rule (aka navigation computer). 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 kilometers. Luxury watch style. Watch label: Swiss Made. Breitling Bentley GT II Automatic Black and Green Dial Men's Watch A1336512/L520.