The b 42 flieger automatic chronograph is part of the fortis b 42 collection which is characterized by beautiful geometrical dial patterns the watch 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 a fine timing device and incabloc shock absorber a day and date window is positioned at the 3 oclock mark the watchs chronograph comes with a 60 second a 30 minute and a 12 hour