Swiss gunmetal and rose gold lever chronograph Circa 1935

Gunmetal and rose gold chronograph with register by Ulysse Nardin
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A fine Swiss gunmetal and rose gold open faced keyless lever chronograph pocket watch with 30-minute register, circa 1935. Rhodium-plated movement, Geneva Striping decoration, 21 jewels, straight-line lever escapement, mono-metallic balance with self compensating blued steel Breguet balance spring, spring loaded micrometric regulator. Hinged cuvette. Matte silver dial with black Breguet numerals, outer minute and seconds divisions with five minute Arabic numerals, subsidiary seconds, 30-minute register below 12 o’clock and original blued steel spade hands. Matte finish case, rose gold bezel, bow and lip. Dial, case and movement signed, case numbered.
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Diameter: 51 mm
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Signed: Ulysse Nardin Le Locle Suisse