Stainless steel case with a black (alligator) leather strap. Bi-directional rotating 18kt rose gold bezel. Stratos gray dial with luminous rose gold hands and index hour markers. Minute markers. Slide rule markings around the outer rim. Dial Type: Analog. Luminescent hands and markers. Date display between the 4 and 5 o'clock positions. Chronograph - three sub-dials displaying: 60 second, 30 minute and 12 hour. Breitling calibre 01 automatic movement, containing 47 Jewels, composed of 346 parts, bitting at 28800 vph, and has a power reserve of approximately 70 hours. Scratch resistant sapphire crystal. Pull / push crown. Transparent case back. Round case shape. Case size: 43 mm. Case thickness: 14.22 mm. Band width: 22 mm. Fold over clasp. Water resistant at 30 meters / 100 feet. Functions: chronograph, column wheel, date, hour, minute, second, chronometer. Luxury watch style. Watch label: Swiss Made. Additional 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 01 Chronograph Automatic Chronometer Stratos Grey Dial Mens Watch UB0121211F1P2.