Automatic chronograph men's watch from Breitling's Navitimer B01 collection (Reference: AB0138241K1P1). Features a stainless steel case, black alligator leather strap. Equipped with a bi-directional rotating stainless steel bezel and copper dial accented by luminous silver-tone hands and index hour markers including slide rule markings around the outer rim. The three integrated sub-dials provide 60-second, 24-hour (12 hours) and chronograph functions respectively. Includes analog display with date at the 6 o'clock position. Powered by Breitling's 01 manufacture automatic movement offering a 70-hour power reserve. Fitted with scratch-resistant sapphire crystal glass. Secure case closure via push / pull crown, transparent case back for visibility. Water resistant up to 30 meters (approx. 100 feet). Overall functions include chronograph, date, hour, minute, second, and a slide rule calculation tool.