This Kind of design has an extended background at Patek, dating again for the early nineteen sixties With all the ref. 2597 Travel Time Calatrava. As James Stacey described in his Hands-On with the 5164R in 2019, the motion while in the 2597 originated with the thoughts of Louis Cottier https://www.watchesworld.com/germanys-top-10-favourite-luxury-watches/