Swiss fine gold open faced quarter repeating watch Circa 1882

Gold open faced quarter repeating keyless watch
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A fine yellow gold open faced quarter repeating keyless watch with enamel dial, made in 1882. Manual winding movement, quarter repeating on two gongs with two hammers.
White enamel dial, Breguet numerals, outer minute track, subsidiary seconds, 18k yellow gold case and cuvette, hinged case back engraved with “P” and feuille pattern, case and cuvette signed and numbered, dial signed.
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Diameter: 48.5 mm
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Signed: Patek Philippe & Co. Geneva
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Accompanied by a Patek Philippe Certificate of Origin, Extract from the Archive, extra mainspring and presentation box.