Oris watch artelier date oris artelier date is all about elegance the watch is equipped with oris 733 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 indices and hands are covered with luminous paint for enhanced night time visibility a date display appears above the 5 o clock mark additional useful features include see through case back stainless steel crown and scratch resistant s