Swiss gold minute repeating astronomic pocket watch Circa 1940

Gold astronomical pocket watch
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Extremely fine and rare Swiss, keyless, minute repeating, astronomic, 18K yellow gold pocket watch, circa 1940. With perpetual calendar and moon phases. Accompanied by a fitted box and an Extract from the Archives. A solid, polished and brushed case. Satiné silver dial with applied yellow gold bâton indexes, outer minute divisions, subsidiary dials for the seconds, the days of the month, of the week, the months, aperture for the moon phases. Yellow gold dauphine hands.
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A rhodium-plated movement, Geneva striping decoration, 29 jewels, straight-line counterpoised and calibrated lever escapement, cut bimetallic compensation balance adjusted to heat, cold, isochronism and five positions, blued steel Breguet balance spring, swan-neck micrometre regulator, repeating on gongs by activating a slide in the band. Dial, case and movement signed.
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Diameter: 49 mm
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Signed: Patek Philippe & Cie.  Genève