Important Swiss gold astronomical repeating watch Circa 1882

Gold watch with engraved Coat of arms
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An important Swiss 18 carat gold astronomical, perpetual calendar and minute repeating keyless watch with phases and age of the moon, circa 1882. A variée case with concave bezels, polished with engraved Coat of arms on the back. The bezel with ridged edges, gold a hinged cuvette. White enamel dial, radial Roman numerals and an outer minute ring. Four subsidiary dials for days of the week, date concentric with small seconds, months and aperture for the enamelled phases of the moon on a gold disc and its age on the upper border and blued steel spade hands. Nickel movement, Geneva striping decoration, 31 jewels, straight line calibrated lever escapement, cut bimetallic balance, Breguet balance spring, wolf-tooth winding wheels repeating on gongs by a slide in the band. Signed on the dial and movement, back cover stamped inside with maker’s mark, cuvette engraved with Patek Philippe.
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Diameter: 55 mm
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Signed: Patek, Philippe & Cie.  Genève
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Accompanied by the Patek Philippe box and Extract from the Archives