Authentic Breitling Classic Avi Chronograph 42mm model with reference number A233803A1B1X. Features a stainless steel case, gold brown calfskin leather strap with folding clasp and ratcheted bezel. Black dial includes silver tone hands, Arabic numeral hour markers, minute track, and three sub-dials for seconds, minutes (up to 30), and hours respectively. Powered by the Breitling Caliber 23 automatic movement offering a 48-hour power reserve. Watch displays time with hours, minutes, seconds and chronograph functions; sapphire crystal scratch resistant; round shape, case size: 42mm, thickness: 14.7mm; solid case back; water resistance up to 100 meters (330 feet); comes with a 2-year WatchMaxx warranty.