Authentic Breitling Navitimer 1 B01 Chronograph watch featuring a black alligator leather strap and stainless steel case. Deployment folding clasp included. Black bezel with bidirectional rotating capability features circular side rule markings. Silver tone hands and luminous index hour markers with minute track at the outer rim adorn the black dial, complemented by three sub-dials displaying hours, minutes (30-minute scale), and seconds respectively. Powered by Breitling Caliber B01 automatic movement with 70-hour power reserve. Functions include hour, minute, second, date display (at 6 o'clock position), chronograph with separate 12-hour, 30-minute, and 60-second sub-dials. Equipped with scratch-resistant sapphire crystal glass. Round case measures 46mm in diameter. Solid case back included. Water resistant to 30 meters / 100 feet. Comes with a 5-year WatchMaxx warranty.