This Sort of layout has an extended background at Patek, dating again towards the early 1960s 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 intellect of Louis Cottier – https://www.watchesworld.com/germanys-top-10-favourite-luxury-watches/