Graham mercedes gp time zone d
The mercedes gp time zone timepiece is the result of the collaboration between graham and formula 1s mercedes gp petronas team the calibre is automatic g1714 it performs 28 800 vibrations per hour additional features include incabloc shock absorber 21 jewels and a 42 hour power reserve the main complications that the timepiece is equipped with are gmtsecond time zone and a date window located at the 7 oclock mark hands mark hours minutes and seconds