Elegant French 18K gold keyless lever dress watch Circa 1925

Gold open faced keyless lever by Cartier
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A fine, elegant and thin French 18 carat gold open faced keyless lever dress watch, circa 1925. Frosted gilt movement, 17 jewels, straight-line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring with overcoil, index regulator. Engine-turned matte silver dial with painted Roman numerals, outer minute track, subsidiary seconds and original blued steel Breguet hands. Polished case, inset coin-edge band, wide bezel, coin-edge bow. Dial signed, case numbered.
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Diameter: 45 mm
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Signed: Cartier Paris