Such A design has a long record at Patek, dating again for the early 1960s Along with the ref. 2597 Travel Time Calatrava. As James Stacey pointed out in his Arms-On With all the 5164R in 2019, the movement while in the 2597 originated in the head of Louis Cottier https://www.watchesworld.com/germanys-top-10-favourite-luxury-watches/