Swiss gold-plated and enamel keyless lever watch Circa 1910

Gold lever decorated with stylised blue irises
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A fine Swiss gold-plated and enamel open faced keyless lever pocket watch, circa 1910. Matte gilt movement, straight-line lever escapement, monometallic balance, self-compensating blued steel Breguet balance spring, index regulator. Matte gilt dial with painted black dauphine numerals, outer minute track, subsidiary seconds, engine-turned centre and original black spade hands with pierced tails. Polished case, the back decorated with stylised blue irises, the flowers painted on enamel.
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Diameter: 48 mm
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Signed: No name