The fortis b 42 art edition planet by winner is designed in cooperation with professor gerd winner the dial graphics resemble a planetary system and glow in the dark solely 300 such fortis watches are available for purchase b 42 art edition planet 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 indices and the orbital path