This Type of design has an extended record at Patek, dating again towards the early sixties With all the ref. 2597 Travel Time Calatrava. As James Stacey stated in his Hands-On While using the 5164R in 2019, the movement in the 2597 originated through the mind of Louis Cottier – https://www.watchesworld.com/germanys-top-10-favourite-luxury-watches/