Reference: 3700/3, Nautilus - JumboMovement No: 1'309'086Case: 546'013Year: 1979Calibre: 28-255CDial: Ribbed blue/black dial, diamond indexes, signedCase: Width 41mm, 18k yellow gold iconic designed case, diamond-set bezel, solid case back, signedBracelet: Integrated 18k yellow gold and diamond-set Patek Philippe bracelet and deployant claspAccompaniment: Extract from the Archives confirming manufacture in 1979 and date of Original purchase on 30th September 1980