Swiss verge watch in a silver and enamel case Circa 1760

Silver and enamel verge pocket watch
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A Swiss verge pocket watch in silver pair cases, circa 1760  Small full plate fire gilt movement with square baluster pillars. Pierced and engraved masked cock with garnet endstone, pierced and engraved foot and plate for the silver regulator disc.  Fusee and chain with worm and wheel barrel setup between the plates. Plain three arm gilt balance, blue steel spiral hairspring. Signed white enamel dial with Roman and Arabic numerals, decorative gold hands.  Plain silver inner case, silver pendant and bow. Silver outer case, the back with an oval polychrome enamel portrait of Maria and Jesus.
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Diameter: 40 mm
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Weight: 57 g
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Signed: Bordier a Geneve
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Reference 08000