This Type of design has an extended history at Patek, dating back on the early 1960s While using the ref. 2597 Travel Time Calatrava. As James Stacey described in his Hands-On Along with the 5164R in 2019, the motion in the 2597 originated within the brain of Louis Cottier – https://www.watchesworld.com/germanys-top-10-favourite-luxury-watches/