audemars piguet 5548ba perpetual calendar 1980s Reference 3521

Reference 3521

although it shows slight signs of age

but the lugs are also different from other watch brands

you can see red

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audemars piguet 5548ba perpetual calendar 1980s Reference 3521Specifications BrandAudemars PiguetModelQuantime Perpetuel (Perpetual Calendar)Reference5548Yearcirca 1983MovementAutomatic Cal. 2120 2800Case36mmMaterial18K Yellow GoldBraceletBlack Leather StrapBracelet LengthApprox 18cmIncludesCertificate of Origin(Sold in 1987), AP Signed Yellow Gold Buckle, Calendar adjustment instruction in Japanese, AP Setting Pin for Calendar adjustment NotesThe watch has been completely serviced by our watchmaker