Swiss silver lever center seconds deck chronometer Circa 1943

Fine open faced chronometer with Guillaume balance by Ulysse Nardin
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A fine Swiss silver open faced keyless lever deck chronometer with Guillaume balance and indirect center seconds, circa 1943. Gilt finished jewelled lever movement, indirect center seconds, Guillaume balance. White enamel dial with Roman numerals, outer calibrated minutes track with Arabic five minute divisions and blued steel spade hands. Polished screwed case back, reeded back rim. Case, dial and movement signed, movement and case numbered.
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Diameter: 56.5 mm
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Signed: Ulysse Nardin Locle Suise