Swiss gold and enamel Art Nouveau lever watch Circa 1905

Open faced Art nouveau watch by Omega
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A Swiss 18 carat gold and enamel open faced keyless lever watch, circa 1905. Art Nouveau model. Gilt finished lever movement. Engraved gold cuvette. Guilloché gilt dial, polished chapter ring, Arabic numerals and constant second. Chased case back with leaf motif, enhanced with green guilloché enamel ring with white enamel border, centered by engraved leaf motif with white enamel center and engraved flower, the outer rim with white enamel, the bezel with green enamel double strips, enhanced by engraved florets at the quarters. Case, cuvette, dial and movement signed.
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Diameter: 51 mm
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Signed: Omega