Silver-tone stainless steel case with black rubber strap. Uni-directional rotating bezel features a silver-tone finish. Grey dial includes luminous silver-tone hands and index hour markers, also featuring minute, 1/100th second, and tachymeter markers around the outer rim. Date display located between the 4 and 5 o'clock positions. Chronograph sub-dials: three dials displaying elapsed time in 60 seconds, 30 minutes, and 12 hours respectively. Powered by Breitling Calibre 01 Automatic movement with column wheel; contains 47 jewels composed of 346 parts, beats at 28800 vph (4Hz), offers approximately 70-hour power reserve. Luminous coating on hands and markers ensures legibility in low light conditions. Scratch-resistant sapphire crystal lens. Screw-locked crown for bezel adjustment; solid case back that is not transparent. Classic round case shape measures 44 mm diameter and 16.95 mm thick. Band width is 22 mm. Equipped with a fold over clasp featuring a push button release mechanism. Water resistant to 500 meters (or 1650 feet), suitable for diving use. Functions include chronograph, date display, hour hand, minute hand, second hand, and chronometer precision.