Style Number: 3440 / 3440J Year: Circa 1960's Model: Patek Philippe Calatrava Case Material: 18k Yellow Gold Band: Black Leather Strap Bezel: 18k Yellow Gold Dial: Silver. dial has some wear as shown. Crystal: Acrylic Case Size: 34mm Includes: -Elegant Watch Box. Condition: Pre-owned - Good,Bezel Color: Gold, Yellow,Movement: Mechanical (Automatic),Closure: Buckle,Seller Warranty: Yes,Year Manufactured: 1960-1969,Reference Number: 3440,Vintage: Yes,Band/Strap: Two-Piece Strap,Brand: Patek Philippe,Case Color: Gold, Yellow,Type: Wristwatch,Department: Men,Band Color: Black,Band Material: Leather,Customized: No,Dial Color: Silver,Model: Patek Philippe Calatrava,Watch Shape: Round,Style: Classic, Dress/Formal, Formal, Luxury,Features: 12-Hour Dial, Swiss Made,Case Material: Yellow Gold,Country of Origin: Switzerland,Display: Analog