The Chronofighter Oversize GMT Black Gold timepiece comes in 18K 5N red gold. Its calibre is G1733 automatic bi-compax chronograph. The watch makes 28 800 vibrations per hour. Additional features include Incabloc shock absorber, 28 jewels and a 48-hour power reserve. A number of outstanding complications have been included. These are GMT/second time zone, double date window at the 12 o'clock mark and a chronograph having seconds and a 30-minute counter. Hands mark hours, minutes and seconds. Another useful functionality is the fast action start/stop lever.