Fortis is a company specialized in the production of watches for cosmonauts and pilots this black watch from the b 42 flieger collection focuses on legibility and ease of use it is a limited edition product and solely 500 such timepieces are available the fortis b 42 flieger big date is equipped with swiss made eta 2836 1 automatic calibre that performs 28 800 vibrations per hour and has 25 bearing jewels other movement characteristics include fine timing device and incabloc shock abso