Girard Perregaux have released a new version of its 1966 with a full calendar. The watch had a power reserve up to forty six hours and uses the Girard Perregaux self winding calibre GP033M0 movement which is capable of indicating the hour, minute, second, full calendar with date, day, month with a moon phase indicator. The watch features a white gold case and pin buckle with an alligator strap.