This Type of design has a long heritage at Patek, relationship again on the early nineteen sixties Using the ref. 2597 Travel Time Calatrava. As James Stacey outlined in his Palms-On Together with the 5164R in 2019, the motion in the 2597 originated in the brain of Louis Cottier – https://www.watchesworld.com/germanys-top-10-favourite-luxury-watches/