Such A style has a long record at Patek, dating back again into the early nineteen sixties with the ref. 2597 Travel Time Calatrava. As James Stacey mentioned in his Fingers-On With all the 5164R in 2019, the motion while in the 2597 originated from the head of Louis Cottier https://www.watchesworld.com/germanys-top-10-favourite-luxury-watches/