Such A layout has an extended history at Patek, dating back on the early nineteen sixties Together with the ref. 2597 Travel Time Calatrava. As James Stacey stated in his Arms-On While using the 5164R in 2019, the motion inside the 2597 originated from the mind of Louis Cottier – https://www.watchesworld.com/germanys-top-10-favourite-luxury-watches/