Oris artelier date is a classic and elegant watch it is equipped with oris 561 automatic calibre a modification of eta 2671 the movement performs 28 800 vibrations per hour and has 25 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 display is positioned at the 6 oclock mark additional useful features include silver and grey guilloche dial stainless steel crown see through case