Oris watch bc3 advanced day date bc3 advanced is the newest watch from the oris bc3 collection the new design was introduced in 2010 this timepiece is equipped with oris 735 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 day and date display is positioned at the 6 o clock mark additional useful features include see