Oris bc3 sportsman is an upgraded version of a classical oris watch for aviators this timepiece is designed to be exceptionally resilient and legible bc3 sportsman is equipped with oris 735 automatic calibre that performs 28 800 vibrations per hour and has 26 bearing jewels a 38 hour power reserve is available for the convenience of the wearer one of the most prominent characteristics is the day and date display positioned at the 6 oclock mark indices and hands are luminous for improved ni