French silver-gilt hour repeating verge clock watch Circa 1830

Silver-gilt open faced hour repeater by Breguet & Fils
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A very fine French silver-gilt open faced hour repeating verge clock watch with half-hour self-strike, circa 1830. Verge escapement, repeating on demand, pendant with small release button, half-hour self-striking. White enamel dial with Arabic hours and outer minute divisions, blued steel Breguet hands. Engine-turned case, punched Paris 1830-1940, under the bezel lever for the striking mechanism and muting. Case numbered, dial signed.
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Diameter: 51.5 mm
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Weight: 110 g
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Signed: Breguet & Fils