Rare Swiss 18K gold open faced lever dress watch Circa 1923

Gold lever dress watch by Omega
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A fine and rare Swiss 18 carat gold open faced lever dress watch, circa 1923. Rhodium-plated movement, 17 jewels, straight-line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring, index regulator. Two-tone silver dial with painted gold Roman numerals and indexes, outer minute track on a plain reserve, subsidiary guilloché seconds dial and original gold épée hands. Solid case, polished. Dial, case and movement signed, case and movement signed.
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Diameter: 45 mm
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Thickness: 9 mm
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Signed: Omega Importe de Suisse