PATEK PHILIPPE.A FINEAND RARE 18K GOLDAND STAINLESS STEELAUTOMATIC WRISTWATCH WITH DATEAND BRACELET SIGNED PATEK PHILIPPE, GENEVE, NAUTILUS MODEL, REF. 3700/1, MOVEMENT NO. 1'307'830, CASE NO. 541'450, MANUFACTURED IN 1981 Movement: Cal. 28-255 C,Automatic, 36 jewels, Geneva seal, signed Dial: Signed Case: Two-part secured by 4 screws in the band, 42 mm. wide, signed With: 18k goldAnd stainless steel Patek Philippe braceletAnd deployant clasp, overall lengthApproximately 165 mm., Extract from theArchives confirming production of the present watch in 1981And its subsequent sale on 7 December 1981AndAssociated Patek Philippe presentation box