Case material: Yellow gold; Charge: Automatic; Conditions: Used Presentation condition : With dealer guarantee ; Model: Calatrava Price on request Gmtbroker Reference: 3992J An 18k Yellow Gold Calatrava Gents Wristwatch, white dial with roman numerals, a fixed 18k yellow gold hobnail patterned bezel, a  brand new  original black leather strap with an original 18k yellow gold pin buckle, sapphire glass, automatic movement, in excellent condition, comes with a Patek Philippe box, our own certificate of authenticity and our own one year warranty.