Oris artelier complication brags a multitude of useful and practical 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 three subsidiary dials are positioned to provide additional information one is designed to display the second time zone the other dials indicate day and date a moon phase disp