Fine French 20K gold Louis XV verge pocket watch Circa 1762-1768

Gold verge watch with open face by Les Frères Castel
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A heavy early French 20K gold keywind Louis XV verge pocket watch, circa 1762-1768. The watch has a plain polished 20K gold Louis XV case. Signed spindle mechanism with a magnificent spindle bridge and a large silver regulating disc. Signed Louis XV enamel dial with Roman radial hours, an outer minutes track with Arabic five minute numerals, and original gold Louis XV style hands. High quality French collector’s watch.
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Diameter: 46 mm
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Weight: 84 g
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Signed: Les Frères Castel Paris
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Castel, Jean Louis; Watchmaker in Paris (Compagnon), Rue Saint Louis près le Palais, married Marie Catherine Revilliard, deceased November 20, 1767.