The mercedes gp petronas watch series is a result of the collaboration between graham and formula 1 mercedes gp petronas racing team this timepiece from the collection comes with automatic tri compax chronograph g1735 calibre it performs 28 800 vibrations per hour other features include incabloc shock absorber 25 jewels and a 48 hour power reserve the most important complications are the chronograph that has seconds 30 minutes and 12 hour counters a date window at the 9 oclock mark and a