Two Swiss silver duplex watches made by Bovet Circa 1840

Two very fine silver Lady’s watches
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A silver-plated and a silver watch, both with Bovet punch. Fire-gilt and engraved Fleurier lever escapements with mock pendulum, circa 1840.
A very rare size, original glazed movement, centre seconds, enamel dials, blued steel hands, movements intact, old key, silver-plated case partly rubbed.
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Diameter: 39 mm
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Signed: Bovet  Fleurier