Case material: Yellow gold; Charge: Manual; Conditions: Used Presentation condition : With dealer guarantee ; Model: Calatrava Price on request Gmtbroker Reference: 3520J An 18k  Yellow Gold Calatrava Vintage Gents Wristwatch, champagne dial with applied hour markers, a fixed 18k  yellow gold bezel, a black leather strap with a gold plated pin buckle (both not by Patek  Philippe), mineral glass, manual wind movement, in excellent condition, comes with a presentation box, our own certificate of authenticity and our own one year warranty.