PATEK PHILIPPE.A FINEAND RARE 18K GOLDAUTOMATIC WRISTWATCH WITH DATEAND BRACELET SIGNED PATEK PHILIPPE, GENEVE, NAUTILUS MODEL, REF. 3700/1, MOVEMENT NO. 1'309'488, CASE NO. 551'608, MANUFACTURED IN 1980 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 gold Patek Philippe braceletAnd deployant clasp, overall lengthApproximately 170 mm., service invoice, Extract from theArchives confirming production of the present watch in 1980And its subsequent sale on 25 June 1981, presentation box