This Sort of layout has a protracted history at Patek, dating again on the early nineteen sixties Along with the ref. 2597 Travel Time Calatrava. As James Stacey mentioned in his Palms-On With all the 5164R in 2019, the motion in the 2597 originated in the head of Louis Cottier https://www.watchesworld.com/germanys-top-10-favourite-luxury-watches/