This aviation watch by oris places emphasis on readability and elegance the watch is equipped with oris 645 automatic calibre a modification of eta 2836 2 the movement performs 28 800 vibrations per hour and has 27 bearing jewels a 38 hour power reserve is available for the convenience of the wearer subsidiary seconds appear at the 9 oclock position a date display is located at the 3 oclock mark and a separate hand provides information about the day of the week hands and indices are lum