Oris williams f1 team skeleton engine date is a watch inspired by the world of formula 1 races it 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 hands and indices are luminous for improved night time visibility a date ring is fully visible the dial has been skeletonised which adds to its appeal additional useful features include stainless steel crown see