Swiss gold diamond set balance open faced watch Circa 1810

Gentleman’s watch with lever escapement
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A gentleman’s rare, early pocket watch with an oversized, diamond- set balance and lever escapement according to Pouzait with securing device, circa 1810.
Gold case, polished, glazed on reverse side. Enamel dial, Roman numerals, centre seconds, gold arrow shaped hands. Full plate movement, keywind, frosted, gilt, orally engraved, chain/fusee, balance stop device via lever at “3”, oversized, diamond-set four-arm balance, large engraved balance cock, diamond endstone on balance.
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Diameter: 60 mm

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Weight: 116 g.