The Chronofighter Oversize Diver Deep Seal watch comes with a G1734 automatic bi-compax chronograph calibre. It performs 28 800 vibrations per hour. Its additional features include Incabloc shock absorber, 30 jewels and a 42-hour power reserve. The chronograph has a number of features including a 30-minute register and centre seconds. A date window is located at the 7 o’clock mark. A seconds sub-dial appears at the 3 o’clock mark.