Swiss gold open faced keyless lever pocket watch Circa 1915

Gold keyless lever by Audemars Frères
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A fine Swiss 14 carat gold open faced keyless lever pocket watch, circa 1915. Matte gilt movement, 15 jewels, straight-line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring, swan-neck micrometre regulator. Gold hinged cuvette engraved with various prize medals. White enamel dial with Arabic numerals, outer minute divisions, subsidiary seconds dial and original gold Breguet hands. Polished case, engine-turned back with engraved monogram in a foliate cartouche. Dial, case, cuvette and movement signed, case and movement numbered.
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Diameter: 49.5 mm
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Signed: Chronomètre Audemars Frères Genève