The latest iteration of Girard Perregaux‘s ww.tc world time zone watch is the Shadow Flyback GMT Chronograph. The Girard Perregaux ww.tc Shadow Flyback GMT Chronograph is the first Girard Perregaux watch which uses a ceramic case. The movement is housed in an internal titanium case and is the automatic GP caliber GP03387 which displays the times for all of the worlds time zones.