Swiss gilt watch with- “Bras en l’air”-indication Circa 1820

Open faced pocket watch attributed to Vaucher Frères
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A rare Swiss pocket watch with “Bras en l’air”-indication and automaton, circa 1820.
Gilt tiered case with reeded band. Enamel dial, left semicircle with Arabic minute indicator, right semicircle with Arabic hour indicator, applied gilt figure of a young woman indicating the time with her arms by pushing the crown. The figure is constantly turning its head. Full plate movement, keywind, frosted, gilt, blued screws, chain/fusee, round pillars, three-arm brass balance, blued balance spring, fine florally engraved and pierced balance bridge.
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Diameter: 58 mm
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Weight: 114 g
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Signed: No name