Swiss gold quarter repeating skeletonized verge Circa 1820

Rose gold repeating skeletonized watch by Bordier
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A fine Swiss 18 carat rose gold open faced quarter repeating skeletonized verge pocket watch, circa 1820. Gilt brass full plate movement, verge escapement, three armed brass balance wheel, with flat balance spring, pierced and engraved continental balance cock with polished steel endplate, polished steel repeat work on the front plate, repeating on gongs activated by depressing the pendant. Spring loaded gilt cuvette hinged to the movement ring. White enamel dial, annular with Breguet hour numerals and outer minute divisions, glazed centre disclosing the foliate engraved gilt plate and polished steel repeat work, original blued steel Breguet hands. Polished case, reeded band. Dial, cuvette and movement signed.
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Diameter: 55 mm
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Signed: Bordier à Genève
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Dial with hairlines.