Swordfish booster chronographs come with exquisite design and grahams attention to detail and quality the calibre is automatic bi compax chronograph g1710 it performs 28 800 vibrations per hour additional features include incabloc shock absorber a 48 hour power reserve and 34 jewels the chronograph comes with seconds 30 minutes and 12 hours counters hands mark hours minutes and seconds sapphire crystal anti reflective coating adds to the resilience of the timepiece