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

Silver open faced pocket watch by Vaucher Frères
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A rare pocket watch with “Bras en l’air”-indication, circa 1820.
Silver case, smooth, tiered, reeded band. Dial is enamel, left semicircle with Arabic minute indication, right semicircle with Arabic hour indication, applied gilt figure of a Roman soldier indicating the time with his arms by pushing the crown. 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, silver regulator disc.
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Diameter: 57 mm
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Weight: 113 g
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Signed: Vaucher Frères