This Sort of design has a long history at Patek, courting again to your early 1960s Along with the ref. 2597 Travel Time Calatrava. As James Stacey stated in his Hands-On Along with the 5164R in 2019, the motion inside the 2597 originated from the intellect of Louis Cottier – https://www.watchesworld.com/germanys-top-10-favourite-luxury-watches/