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Auktionen Dr. Crott 91st Auction

589 Dubois & fils, Case No. 130, 58 mm, 115 g, circa 1830 A gentleman’s pocket watch with very rare Debaufré escapement, jumping centre seconds, regulator dial and mock pendulum for the Chinese market Case: 18k gold, polished, reeded band, signed dome, case maker punch mark “HMF”. Dial: enamel, peripheral hour indication with Arabic numerals, centre seconds, aperture for mock pendulum, gold Breguet hands. Movm.: full plate movement, frosted, gilt, Debaufré escapement, three-arm ring balance, mirror-polished steel balance bridge. Ein comparable watch is illustrated in “La Montre Chinoise” by Alfred Chapuis, Geneva 1983, page 213. Du Bois & Fils In 1785 Philippe Du Bois and his sons founded the “Du Bois & Fils 1785” watch company at the family seat in Le Locle. Du Bois had already established extensive business connections all over Europe and America as a cloth merchant, which made things much easier for the start-up watch company. During the 19th century Du Bois & Fils opened branches in Germany, the Netherlands, Spain and the United States and business boomed. Due to its proximity to the trade fairs the German Frankfurt branch was particularly important. Source: http://www.dubois.de/n251710/i252594.html, as of 03/12/2011 The Debaufré Escapement Invented by P. Debaufré in 1704, this escapement is distinguished by having two escape wheels which are mounted on the same arbour. The escape wheels are staggered. They interact with a semi-circular, wedge- shaped pallet on the balance staff which has chamfered edges. The wheels, which alternately rest on the flat underside or escape past it, impart the impulse to the balance. Dubois & fils — 男仕懷錶,附極其罕見的Debaufré擒縱,跳躍式中 心秒針,校準錶盤及仿鐘擺,針對中國市場 40510  C: 2 D: 2 M: 2, 41  21.000 - 25.000 EUR 23.200 - 27.600 USD 189.000 - 225.000 HKD

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