This Type of design has a lengthy background at Patek, dating back into the early sixties Together with the ref. 2597 Travel Time Calatrava. As James Stacey described in his Fingers-On Using the 5164R in 2019, the motion from the 2597 originated through the head of Louis Cottier – the https://www.watchesworld.com/germanys-top-10-favourite-luxury-watches/