Silver-tone stainless steel case and bracelet, Uni-directional rotating silver-tone stainless steel bezel, Blue mother of pearl dial with silver-tone hands and index hour markers including minute markers around the outer rim, Tachymeter scale on the outer rim for speed measurement, Luminescent coating on the hands and markers ensures visibility in darkness, Date display window positioned between 4 and 5 o'clock, Chronograph sub-dials at approximately 3:00 (60-second), 6:00 (30-minute) and 9:00 positions displaying hours/minutes/seconds respectively, Powered by Breitling Calibre 01 Automatic movement with column wheel mechanism, Pallet lever system for chronometer precision, Equipped with a mechanical column wheel. Contains 47 jewels, meticulously composed of over 346 parts, beats per hour (bph) at approximately 28,800 vph, offering an approximate power reserve of 70 hours. Scratch resistant sapphire crystal protects the blue mother of pearl dial from damage. Screw down bezel clasp with winding mechanism for crown security and water resistance testing. Solid case back adds durability; round case shape measures 44 mm in diameter. Deployment or folding clasp ensures easy adjustment yet secure fit. Water resistant to a depth of 500 meters / 1650 feet, suitable for diving conditions.
