Fine French 20K gold Louis XV verge pocket watch Circa 1760

Gold verge watch with open face by Les Frères Castel
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A heavy early French 20K gold key wind Louis XV verge pocket watch, circa 1760.
Signed spindle mechanism with magnificent spindle bridge and large silver regulating disc. Signed Louis XV enamel dial with Roman radial hours, outer minutes track with Arabic five minutes numerals, and original gold Louis XV-style hands. Rim and band engraved. High quality French collector’s watch. Plain polished 20K gold Louis XV case, case back engraved with garden tools and flowers.
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Diameter: 46 mm
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Weight: 84 g
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Signed: Les Frères Castel Paris