This Sort of style and design has a long record at Patek, relationship again into the early 1960s Using the ref. 2597 Travel Time Calatrava. As James Stacey described in his Arms-On with the 5164R in 2019, the motion in the 2597 originated with the head of Louis Cottier – https://www.watchesworld.com/germanys-top-10-favourite-luxury-watches/