Williams f1 team day date is inspired by the world of formula 1 the timepiece is resilient and very functional it is equipped with oris 635 calibre a modification of eta 2836 2 this 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 day and date display is positioned at the 3 oclock mark additional useful features include stop sec