This is the first skeletonized watch that belongs to the oris artelier collection oris artelier skeleton is equipped with oris 734 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 the large dial aperture reveals the beauty of the mechanism inside the silver guilloche ring adds to the elegance of the dial hands are luminous for improved night time visibility additional useful features