There’s A meticulous level of artistry inside a. Lange & Söhne timepieces. The Lang floral pattern is hand-engraved on each watch’s harmony clock. This would make every piece one of a kind from each other. Whilst the ref. 5164A is not accessible, Patek's alternative to carry on the long-managing reference https://www.watchesworld.com/germanys-top-10-favourite-luxury-watches/