Swiss 18k gold and enamel open faced lever Circa 1905

A Swiss 18 carat gold and enamel open faced keyless lever watch, circa 1905. 10”’ Jewelled nickel lever movement, bimetallic compensation balance. 18 Carat gold cuvette. Silvered dial, finely guilloché centre, Arabic numerals on brushed ring and outer minute rail track. Case finely decorated with black champlevé enamel and engraving depicting a full bloom of flowers, bezel similarly decorated. Cuvette, case and movement signed and numbered, dial signed.