Let us just set one thing straight off the bat - Girard-Perregaux has not introduced three different watches. Rather, they have given a rather cumbersome name to a rather lovely timepiece that incorporates some complications (any guesses as to what they are?) For sake of brevity, I will instead refer to the watch solely as the Girard-Perregaux Traveller.
The article Girard-Perregaux Traveller Large Date, Moon Phases & GMT Watch first appeared on aBlogtoWatch and was written by Patrick Kansa.