Fine Swiss nickel keyless open faced deck watch Circa 1950

Nickel lever with glazed back cover
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A fine Swiss nickel keyless deck watch, circa 1950. A polished case with a transparent back cover to view the movement. Matte silver dial with painted black Paris numerals, outer minute track, recessed large subsidiary seconds dial with two black timing markers and blued steel spade hands. A rhodium-plated movement, 18 jewels, straight-line lever escapement, fast beating monometallic balance with screws, self compensating blued steel Breguet balance spring, index regulator. Dial and movement signed.
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Diameter: 68 mm
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Signed: Longines  Swiss
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Accompanied by a wooden case.