Lot No. 582 (91st Auction)
Du Bois & fils, Case No. 16460, 58 mm, 106 g, circa 1810

An gentleman's important quarter repeating pocket watch with early automatic winding
Case: 18k pink gold, engine-turned, reeded band, signed, case maker's punch mark "PHPI". Dial: enamel, Arabic hours, blued Breguet hands. Movm.: full plate movement, frosted, gilt, 2 hammers / 2 gongs, three-arm ring balance, regulator scale, oscillating weight winding.

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:, as of 03/12/2011

At the time DuBois & Fils was one of the most important établisseurs of the Le Locle region. He employed a relatively large number of independent artisans. His account books, preserved by the family, show that he sold watches of all types throughout nearly all of Europe, as well as in the United States, the Middle and Far East, and even as far as China.
While certain of their watches are signed, most bear the signature of the wholesaler, the importer, or the retailer.
All these watches, whether or not they have repeating mechanisms, and whatever their signature, were produced in Switzerland. They are among the best watches of the kind made at the time.

Similar watches are illustrated and described in: "The Self-Winding Watch - 18th-21st Century" by Jean-Claude Sabrier, Paris 2011, p. 186-191.
Estimate  16,000 - 20,000 €
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