Thin Swiss 18k white gold open-faced dress watch Circa 1925

White gold lever pocket watch by Longines
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A very fine and thin Swiss 18-carat white gold open-faced lever dress watch, circa 1925. Polished case. Matte dial with applied white gold Breguet numerals, outer dot minute divisions, subsidiary seconds dial, and original blued steel Breguet hands. Rhodium-plated movement, 16 jewels, straight-line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring, cam-type micrometer regulator. Dial, case, and movement signed.
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Diameter: 47 mm
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Signed: Longines