Professional pilot watches by fortis have been designed to perform impeccably in even the harshest of conditions these watches are perfectly legible and very easy to use b 42 pilot professional chronograph alarm is equipped with fortis f 2001 5 automatic calibre that performs 28 800 vibrations per hour and has 35 bearing jewels other movement characteristics include incabloc shock absorber and two barrels hands numerals and indices are covered with luminous paint that enhances night time re