This Type of style has an extended record at Patek, dating again towards the early sixties Together with the ref. 2597 Travel Time Calatrava. As James Stacey talked about in his Fingers-On Along with the 5164R in 2019, the motion within the 2597 originated within the brain of Louis Cottier https://www.watchesworld.com/germanys-top-10-favourite-luxury-watches/