Brand: Patek Philippe Model: Perpetual Calendar Reference: 3940J Year: 1990s Material: 18k YG Dial Color: Silver Opaline Dimensions: 36mm Watch Movement: Self-Winding Bracelet/Strap: Black Patek Philippe STrap Box/Paper: Handmade Leather Travel Pouch Condition: Signs of Average Wear, Original Finish SKU: 123733