Up For Sale is a Patek Philippe “Calatrava” 18k Yellow Gold Men’s Wrist Watch with Hang Tag, Box, and Certificate of Origin, Ref. 3520D.  The Strap is Black Patek Philippe Crocodile with a Patek Philippe 18k Yellow Gold Buckle.  The Case is also 18k Yellow Gold, Round, with a Hobnail Bezel and Screw Back Case Measuring 32mm.  The Watch Features a White Dial with Black Roman Numerals and Hands.  Mechanical Movement.  In Excellent Condition.  The Watch is Accompanied by a Hang Tag, a Red Patek Philippe Worn Box, and Certificate of Origin in a Red Patek Philipppe Wallet.  Inventory# 21618