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Auktionen Dr. Crott 91st Auction

601 Julien Huguenin à Paris, Case No. 1673, 66 mm, 209 g, circa 1830  An important and large pocket chronometer - most likely a masterpiece - with varation of the pivoted detent escapement according to Louis Berthoud, “Construit à Paris en 1830 par Julien Huguenin” Case: silver, engine-turned, gold hinges. Dial: enamel, radial Roman hours, auxiliary seconds, signed, blued Breguet hands. Movm.: bridge movement, keywind, frosted, gilt, 10 jewels, pivoted detent chronometer escapement, three-armed bimetallic chronometer balance with 3 platinum screws and 3 movable weights, blued freesprung helical hairspring with terminal curves. This pivoted detent is an advancement of Louis Berthoud’s mechanism. The watch is illustrated in “Marine- und Taschenchronometer” by Hans von Bertele, Munich, 1981, page 206. Julien Huguenin 巴黎 — 意義深遠的大錶徑懷錶時計,疑是專業 作品,附Louis Berthuod專業設計的 “Construit à Paris en 1830 par Julien Huguenin”振盪擒縱裝置 40454  C: 2 D: 2 M: 2, 41  12.000 - 15.000 EUR 13.300 - 16.500 USD 108.000 - 135.000 HKD