Two tone case with a two-tone (silver and gold) bracelet. Unidirectional 18kt gold bezel. Black dial with luminous hands and index hour markers. Minute markers. Tachymeter scale around the oter rim. Luminescent hands and markers. Date display appears between the 4 and 5 o'clock position. Chronograph - three sub-dials displaying: 12 hours, 30 minutes and 60 seconds. Automatic movement. Scratch resistant sapphire crystal. Screw locked crown. Solid case back. Case diameter: 43.5 mm. Case thickness: 17 mm. Deployment clasp. Water resistant at 500 meters/ 1650 feet. Functions: hours, minutes, seconds, date, chronograph, tachymeter. Breitling Chronomat B01 Black Dial Two Tone Men's Chronograph Tachymeter Watch B011012-B968TT.