Swiss 18K gold and enamel octagonal pocket watch Circa 1910

Gold octagonal lever pocket watch
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An unusual Swiss 18K yellow octagonal gold keyless pocket watch with purple and green enamel, circa 1910. A brushed, large bezel, snap-on case back. Silver dial with black painted Arabic numerals, outer minute divisions, subsidiary seconds and blued steel epee hands. A rhodium-plated movement, Geneva striping decoration, 15 jewels, straight-line lever escapement, cut bimetallic compensation balance with four adjustments, blued steel Breguet balance spring, micrometre swan neck regulator. Dial and case signed.
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Diameter: 46 mm
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Signed: Movado, chronometre  Swiss
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The movement and dial are slightly scratched and the dial is oxidized.