Automatic mechanical movement, Breitling Calibre 01, with column wheel and 346 components. 70-hour power reserve. Water resistant to 100 meters / 330 feet. Chronometer certified chronograph featuring analog sub-dials (seconds, minutes, hours), central second hand, date display at the 6 o'clock position, and Arabic numeral hour markers on black dial with luminous coating for hour/minute markers and hands. Sapphire crystal scratch-resistant domed case top. Fixed bezel in silver-tone stainless steel. Analog dial face is black. Includes silver-tone handset with minute markings, transparent sapphire crystal case back, round 42mm automatic chronograph movement, folding clasp band attachment system, black alligator leather strap measuring 22 mm wide. Comes complete with original Breitling box, warranty card and instruction manual.