This Sort of layout has an extended background at Patek, dating again to your early 1960s with the ref. 2597 Travel Time Calatrava. As James Stacey outlined in his Palms-On Using the 5164R in 2019, the motion from the 2597 originated in the thoughts of Louis Cottier – the father https://www.watchesworld.com/germanys-top-10-favourite-luxury-watches/