Oris big crown pointer date is one of the classical and most popular oris aviation timepieces the watch is equipped with oris 754 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 dial elements are luminous for improved night time visibility a separate hand and a scale around the outer rim of the dial provide information about the current date additional useful features includ