Gold Swiss enamel and diamond lorgnette watch Circa 1850

Gold enamel and diamond-set folding lorgnette with concealed watch
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A yellow gold Swiss enamel and diamond-set folding lorgnette with concealed watch, circa 1850, gilt cylinder movement.
Circular white enamel dial, Roman numerals.
Gold surround engraved with details of the movement, dial concealed below a spring loaded cover decorated with translucent blue enamel over engine turning centered by rose-cut diamond foliate motifs, the border and handle engraved with foliate scrolls, with associated attached chain and key.
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Diameter: (Length) 87 mm
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Signed: No Name