Men's Breitling Chronomat B01 42 Chronograph Automatic watch. Features a stainless steel case and bracelet with unidirectional rotating bezel, copper dial accented by luminous silver-tone hands and index hour markers along with minute and 1/100th second markers and tachymeter markings around the outer rim. Equipped with Breitling Calibre 01 automatic movement (47 Jewels, 346 parts) operating at 28800 vph providing a 70-hour power reserve. Includes three black sub-dials for chronograph functions: seconds, minutes, and hours tachymeter displays. Analog display with date function at the 6 o'clock position. Protected by scratch-resistant sapphire crystal. Secured screw-down crown and transparent case back. Round case size measures 42mm in diameter and 15.1mm thick. Band width is either 20mm or 22mm compatible, utilizing a fold-over clasp with push button release mechanism. Water resistant to 200 meters / 660 feet depth. Overall functions include chronograph, tachymeter, date display, hour, minute and second indicators.