This Type of style has a long history at Patek, dating again into the early sixties With all the ref. 2597 Travel Time Calatrava. As James Stacey mentioned in his Arms-On While using the 5164R in 2019, the motion inside the 2597 originated from your brain of Louis Cottier – https://www.watchesworld.com/germanys-top-10-favourite-luxury-watches/