Silver-tone stainless steel case and bracelet. Uni-directional rotating silver-tone bezel. Blue dial with luminous-coated hands and index hour markers. Minute markers on the tachymetric scale at the outer rim. Date window visible at the six o'clock position. Chronograph function featuring three sub-dials: seconds, minutes (12 hours), and one of 30 minutes or 60 seconds. Automatic mechanical movement with a column wheel and a chronometer certified by COSC, boasting a frequency of 28800 vph and up to 70 hours power reserve after manual winding. Sapphire crystal glass is scratch resistant on the main dial. Screw-down pusher crown for reliable water-resistance at 100 meters (330 ft). Analog display with central hour, minute, and second hands along with a sub-dial displaying elapsed time in either minutes or hours depending on configuration. Deployment clasp closure mechanism equipped with a safety push-button release. Breitling Calibre 01 movement composed of numerous precisely manufactured parts including 47 jewels. This men's watch features an automatic winding system, is Swiss made, and has the Chronomat B01 series designation.