Swiss gold chronograph minute repeating watch Circa 1880

Gold single-button chronograph minute repeating watch
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A fine Swiss pink gold open faced keyless single-button chronograph minute repeating watch with enamel dial, circa 1880, manual winding nickel lever movement, cut bimetallic compensation balance, polished hammers repeating on 2 gongs, 18k pink gold cuvette.
White enamel dial, painted Arabic numerals, Louis XV hands, subsidiary seconds, 18k pink gold case, repeating slide to the band, chronograph mono-pusher to the crown, hinged case back, case and dial signed.
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Diameter: 54 mm
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Signed: Patek Philippe & Cie. Geneva
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With a Patek Philippe Extract from the Archives.