Swiss 18 carat two colour gold full hunter lever Circa 1910

A Swiss 18 carat two colour gold keyless wind full hunter pocket watch, circa 1910. Swiss lever movement, cut and compensated bimetallic balance. Two-tone champagne coloured dial, black Arabic numerals, black outer minute track, subsidiary seconds at 6 and blued steel Breguet style hands. Two colour gold linear engraved engine turned case, foliate engraved band. Case, dial and movement signed.
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Diameter: 47 mm
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Signed: Zenith Eberhard Milan