Optionally, shipping from Europe (EU) is available. Please contact seller after sale. Brand: Patek Philippe Model: Calatrava Clous de Paris Reference Number: 3520 Movement: Manual-winding mechanical movement Calibre: Patek Philippe Calibre 175, 18 jewels Case Material: Solid 18K yellow gold Case Diameter: Approximately 32 mm, excluding crown Caseback: Solid 18K yellow gold caseback Bezel: Clous de Paris / hobnail-patterned bezel Dial: Champagne-coloured sunburst dial with applied baton hour markers Functions: Hours and minutes Crystal: Sapphire crystal Crown: Gold-tone crown Strap: Brown leather strap, aftermarket Bracelet: No bracelet Year: 1970s Condition: Good vintage condition with visible signs of age and use Description: Elegant vintage Patek Philippe Calatrava wristwatch from the 1970s, reference 3520, presented in a solid 18K yellow gold case. The watch features a clean and well-preserved champagne-coloured sunburst dial with applied baton hour markers, two central hands and the distinctive Clous de Paris, also known as a hobnail-patterned bezel. It is powered by the signed Patek Philippe Calibre 175, an 18-jewel manual-winding mechanical movement. The inside of the caseback is signed Patek Philippe & Co Genève and marked 18K 0.750. The dial is in well-preserved vintage condition. The hands show visible signs of age and oxidation. The 18K yellow gold case has surface scratches, marks and signs of previous use consistent with its age. Please examine all photographs carefully, as they form an important part of the description. The watch is fitted with a brown aftermarket leather strap that complements its elegant and timeless design. The manual-winding movement is currently working. However, as with all vintage watches, long-term accuracy, power reserve and water resistance are not guaranteed unless otherwise recently serviced. The service history is unknown. A refined and highly collectible vintage Patek Philippe Calatrava, suitable for collectors and enthusiasts of classic Swiss dress watches. Shipping: The watch will be carefully packed and shipped with a tracking number via international courier. Note: Upon request, the watch can be shipped from within the European Union. Customs & Duties: Any customs duties, import taxes or other charges that may arise in the buyer’s country are the responsibility of the buyer.