Authentic Breitling Chronomat B01 model AB0134101C1A1. Features a stainless steel case and bezel with deployment push button clasp. Includes a blue chrono dial, luminous silver tone hands, index hour markers with minute track around the outer rim, and three black sub-dials (date at 6 o'clock). Equipped with automatic-chronograph movement powered by Breitling Caliber 01 engine boasting 70 hours power reserve. Functions include date display via a calendar complication, chronograph functions for seconds (outer ring), minutes (30 minute register) and hours (inner counter); hour, minute, second hands; scratch resistant sapphire crystal glass; round case shape measuring 42mm diameter and 15.10mm thick; transparent case back; water resistance of 200 meters / 660 feet; comes with a 5 year WatchMaxx warranty.