Swiss silver observation chronometer with power reserve Circa 1908

Ulysse Nardin observation chronometer
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A rarity this only known observation chronometer, which was tested by the Observatory Neuchatel, with 24 hour dial and power reserve, numbered and made by Ulysse Nardin in le Locle, Switzerland, circa 1908. The open faced plain silver case of this watch has golden hinges and the white enamel dial with 24 hour display has a power reserve dial at 12 o’clock, a subsidiary dial at six o’clock for the seconds and blued steel hands. The movement has a chronometer with anchor escapement. The dust cover is engraved with “Gian Saratz”.
Dial and movement signed and case and movement with matching numbers.
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Diameter: 58 mm
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Weight: 172 g
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Signed: Ulysse Nardin Locle Genève
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Ulysse Nardin
Ulysse Nardin is a luxury Swiss watch manufacturer founded in 1846 in Le Locle, Switzerland, which has remained in continuous production since. Ulysse Nardin has operated out of the same building headquartered in Le Locle, Switzerland since 1865. Historically, the company is best known for its manufacture of highly accurate marine chronometers supplied at one point during the 1800s to over fifty of the world’s navies. Ulysse Nardin first trained in horology under his father, Leonard-Frederic Nardin, and perfected his skills under the tutelage of Frederic William Dubois and Louis JeanRichard-dit-Bressel, two master watchmakers whose fame extended beyond the mountains of Neuchatel, Switzerland.
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As far as known, this watch is the only known example of a Ulysse Nardin Observatory chronometer with a 24 hour dial.  The watch comes with an excerpt from the 1908 Observatory Neuchâtel chronometer test.