Oris artelier complication is a timepiece packed with various useful functionalities the watch is equipped with oris 581 automatic calibre a modification of eta 26882671 the movement performs 28 800 vibrations per hour and has 17 bearing jewels a 38 hour power reserve is available for the convenience of the wearer hands and indices are luminous for improved night time visibility subsidiary dials provide information about the day and date another sub dial located at the 6 oclock mark ind