Patek Philippe Ref. 3861 a gent's fine and highly attractive hexagonal 18ct gold wristwatch with Integrated bracelet, circa 1979, Manufacturer: Patek Philippe, reference no.: 3861/2, movement no: 1192312, case no: 5490.66, material: 18K yellow gold, calibre: manual, cal. 240, 27 jewels, Bracelet/Strap: 18K yellow gold Patek Philippe integrated link bracelet, max length 190 mm. Clasp/Buckle: 18k yellow gold Patek Philippe buckle, dimensions: 32 mm wide, signed: case, dial, movement and bracelet signed, accessories: accompanied by Patek Philippe extract from the Archives confirming production of the present watch in 1979 and its subsequent sale, on May 20th, 1981.