This Sort of design has a long historical past at Patek, dating back for the early nineteen sixties with the ref. 2597 Travel Time Calatrava. As James Stacey mentioned in his Palms-On with the 5164R in 2019, the movement within the 2597 originated through the thoughts of Louis Cottier – https://www.watchesworld.com/germanys-top-10-favourite-luxury-watches/