Patek Philippe Calatrava in 18k Yellow Gold Ref. 3520 Porcelain Dial with Original Certificate of Origin "Clous de Paris" 1974 The blue soleil-finished dial really

The blue soleil-finished dial really pops

reference 78790 (with clasp stamped ‘X 9’ and 501b endlinks) remains in good

The dial has beautiful applied Arabic numerals at 12

The 62510H bracelet is in very good condition and has the correct 555 endlinks and a clasp stamped ‘D’

The dial features both KPH and MPH and is a rarer Twin Jet logo version

Patek Philippe Calatrava in 18k Yellow Gold Ref. 3520 Porcelain Dial with Original Certificate of Origin "Clous de Paris" 1974 The blue soleil-finished dial reallyIn 1932, Patek Philippe introduced the Calatrava, inspired by the iconic Bauhaus style. Since then, it has become the cornerstone of their collection and proudly stands as their flagship model. This 18k yellow gold version pays tribute to Patek Philippes original design, featuring a Clous de Paris (or "hobnail") bezel that adds a refined and distinguished touch. The case is in excellent condition, showcasing a lovely oxidized color and a beautifully