This Sort of style has a protracted history at Patek, relationship back again towards the early sixties with the ref. 2597 Travel Time Calatrava. As James Stacey talked about in his Palms-On Using the 5164R in 2019, the motion while in the 2597 originated in the mind of Louis Cottier https://www.watchesworld.com/germanys-top-10-favourite-luxury-watches/