The 56 diamonds that decorate the bezel of this fortis timepiece make it extra special the official cosmonauts chronograph diamond for ladies is equipped with swiss made valjoux 7750 automatic calibre that performs 28 800 vibrations per hour and has 25 bearing jewels other movement characteristics include fine timing device and incabloc shock absorber hands numerals and indices are covered with luminous paint for improved night time readability a day and date display is positioned at the 3