18kt yellow gold case with a gold calfskin leather strap. Fixed 18kt yellow gold bezel. Skeleton dial with yellow gold hands and index-Arabic numerals hour markers. Dial Type: Analog. Date display between 4 and 5 o'clock position. Hublot Calibre UNICO HUB 1242 automatic movement with a 72-hour power reserve. Scratch resistant sapphire crystal. Screw down crown. Transparent case back. Round case shape, case size: 45 mm. Deployant clasp. Water resistant at 100 meters / 330 feet. Functions: chronograph, date, hour, minute, second. Additional Info: limited edition of 100 pieces. Big Bang Unico Usain Bolt Series. Luxury watch style. Watch label: Swiss Made. Hublot Big Bang Unico Usain Bolt Limited Edition Chronograph Automatic Men's Watch 411.VX.1189.VR.USB16.