Swiss silver keyless open cased lebver deck watch Circa 1955

Large silver deck watch by Ulysse Nardin
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A Swiss deck watch – lever chronometer, circa 1955.
This watch consists, a silver case, a white enamel dial with Roman numerals, subsidiary seconds and blued hands. It has a bridge movement and a gold screw compensation balance.
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Diameter: 59 mm
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Weight: 181 g
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Signed: Chronomètre Ulysse Nardin, Locle Suisse