Stainless steel case with a black (calfskin) leather strap. Uni-directional rotating stainless steel bezel. Tempest gray dial with luminous silver-tone hands and index hour markers. Minute markers. 1/100 markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Date display at the 3 o'clock position. Breitling calibre 17 automatic movement, based upon ETA 2824-2, containing 25 Jewels, bitting at 28800 vph, and has a power reserve of approximately 42 hours. Scratch resistant sapphire crystal. Screw down crown. Solid case back. Round case shape. Case size: 41 mm. Case thickness: 12.40 mm. Band width: 22 mm. Tang clasp. Water resistant at 200 meters / 660 feet. Functions: date, hour, minute, second, chronometer. Luxury watch style. Watch label: Swiss Made. Item Variations: A1731310-F584-428X-A18BASA.1. Breitling Chronomat Colt Automatic Chronometer Tempest Gray Dial Men's Watch BTA17313101F1X1.