Authentic Breitling Super Chronomat B01 model AB0136251B1S1. Stainless steel case on black rubber strap with push button deployment clasp. Features a unidirectional rotating bezel, silver-tone hands and index hour markers (including minute/second outer rim markers) on a black dial with three sub-dials displaying date at 6 o'clock, chronograph functions including 60-second, 30-minute, and 12-hour dials. Powered by Breitling Caliber B01 automatic movement, certified chronometer, equipped with sapphire crystal scratch resistance, round shape measuring 44mm diameter and 14.4mm thickness; water resistant to 200 meters (660 feet).