Swiss rare chronometer with power reserve indicator Circa 1915

Ulysse Nardin observation chronometer with power reserve indicator
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An extremely rare observation chronometer pocket watch with power reserve indication, made by Ulysse Nardin in Locle, Switzerland, circa 1915. Encased in a sturdy and meticulously crafted open faced plain case, this pocket watch showcases the exquisite craftsmanship that Ulysse Nardin is renowned for. The case, with its screw detailing and solid metal construction, ensures the watch’s durability and longevity. The beautifully preserved white enamel dial displays the 32 hour power reserve indication at 12 o’clock, a subsidiary dial at 6 o’clock, showcasing the decentralized seconds and black steel hands. The movement has a 3/4 plate movement, bearing the number 7773, boasts a rocker detent chronometer escapement, is inscribed with the word “Chronomètre”, a large chronometer balance, adorned with gold screws, blued Breguet hairspring and screwed chatons further exemplify the watchmaker’s commitment to excellence.
Both the dial and movement of this Ulysse Nardin pocket watch bear the signature of the esteemed brand. This serves as a testament to the watchmaker’s unwavering dedication to producing timepieces of the highest quality.
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Diameter: 58 mm
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Weight: 134 g
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Signed: Ulyss Nardin Locle Suisse
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Almost all of these Ulysse Nardin observation chronometers that are known today have an anchor escapement. Very few of these watches were fitted with a detent escapement.