Swiss silver lever watches for the Chinese market Circa 1840

Pair of rare pocket watches for the Chinese market
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Two open faced pocket watches, 1x silver plated, 1 x real silver, both watches with Bovet punch, made for the Chinese market, circa 1840.
Fire-gilt and engraved Fleurier lever escapements with mock pendulum, original glazed movement.
Enamel dials with centre seconds and roman numerals, blued steel hands, movements intact, old key, silver-plated case partly rubbed, very rare size.
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Diameter: 39 mm
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Signed: Bovet  Fleurier