Swiss large gold gentleman’s pocket watch Circa 1920

Gold open faced Geneva pocket watch by Vacheron & Constantin
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A fine, large Swiss gentleman’s Geneva pocket watch – with original box and original certificate, circa 1920.
18-Carat gold radial engine-turned case with a signed gold dome. Signed enamel dial with radial Roman hours, auxiliary seconds, and gold spade hands. Bridge movement, frosted, gilt, signed, adjusted, twenty jewels, gold-chatoned minute wheel, wolf-teeth winding wheels, gold screw compensation balance, index spring fine adjusting device.
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Diameter: 57 mm
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Weight: 133 g
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Signed: Chronometre Royal, Vacheron & Constantin Genève