Swiss gold open faced repeating verge watch Circa 1820

Gold quarter repeater
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A fine and rare Swiss 18 carat gold open faced quarter repeating verge pocket watch, 1820. Verge movement. Gold, engraved dial, white enamel cartouches with black Breguet hours, the centre with an applied polychrome enamel scene, outer white enamel minute divisions and partially replaced moon hands. Plain case. Cuvette signed, movement and case numbered.
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Diameter: 55 mm
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Signed: Breguet & Fils Swiss