Fortis spacematic timepieces are probably the brands most distinctive creations the fortis spacematic chronograph is equipped with swiss made valjoux 7750 automatic calibre that performs 28 800 vibrations per hour and has 25 bearing jewels a power reserve of 50 hours is available for the convenience of the wearer other movement characteristics include incabloc shock absorber and fine timing device hands numerals and indices are covered with luminous paint for enhanced night time readabilit