PATEK PHILIPPE Ref.570, 18k white gold wristwatch with sweep centre seconds, signed PATEK PHILIPPE, GENEVE, calatrava, manufactured in 1969. Movement: Cal. 27 SC, manual, 18 jewels, Geneva seal, signed. Dial: Signed. Case: Snap on back, 35.5 mm. diam., signed. Accompanied by the Extract from the Archives.