Swiss yellow gold open faced lever watch with pouch Circa 1910

Yellow gold keyless dress watch
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A fine and rare 18 carat yellow gold open faced keyless dress watch with a pouch made by Ulysse Nardin in Le Locle and Geneva, Switzerland, circa 1910s. The case is polished. The matte silver dial with painted black cubist style Arabic hour numerals, an outer minute track, subsidiary seconds at 6 o’clock and black kite/diamond hands. A rhodium plated movement with 17 jewels, straight line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring with overcoil and an index regulator.
Dial, case and movement signed.
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Diameter: 43.5 mm
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Signed: Ulysse Nardin Locle & Genève