PATEK PHILIPPE. A FINE 18K GOLD MANUAL WIND WRISTWATCH RETAILED BY TIFFANY & CO. Calatrava, Ref 3919J-001, Purchased 8th April, 2004PATEK PHILIPPE. A FINE 18K GOLD MANUAL WIND WRISTWATCH RETAILED BY TIFFANY & CO.Model: CalatravaReference: 3919J-001Date: Purchased 8th April, 2004Movement: 18-jewel Cal.215 manual wind, adjusted to heat, cold, isochronism and 5 positions, Gyromax balance, Geneva Stamp,No.1881209Dial: White, black Roman numeral hour markers, subsidiary seconds at 6, black leaf hands, Tiffany & Co. signatureCase: Round, hobnail bezel, No.4205259Strap/Bracelet: Black alligatorBuckle/Clasp: 18k gold buckle, signedSigned: Case, dial, and movementSize: 33mm Accompaniments: Certificate of Origin, original receipt, product literatureNone