Breitling Navitimer 1 Chronograph 41 U13324211B1X1. Features a polished stainless steel case with polished solid 18ct red gold bezel and black leather strap. The Bidirectional rotating bezel has a circular aviation slide rule on the inner bezel. The index hour markers and central hour and minute hands are luminescent. Dial type is analog. Dial color is black. The date is displayed at 3 o'clock. The chronograph features a large red central seconds hand, a 30 minute counter sub-dial at the 12 o'clock position and a 12 hour counter sub-dial at the 6 o'clock position. Powered by the Breitling Caliber 13 self-winding automatic chronometer certified movement which boasts a 42 hour power reserve, beats at 28,800 vph and contains 25 jewels. A scratch resistant sapphire crystal protects the dial. The case is round, 41mm in diameter, weighs 160g and is 14.44mm thick. The case back is screwed in. Inlet width: 22 mm. Stainless steel tang buckle. Water-Resistant to 30 meters / 100 feet. Functions: hours, minutes, small seconds, date, chronograph, slide rule. Aviation watch style. Swiss Made.