Lot No. 343 (94th Auction)
Attributed to B. Bonniksen, England, Movement No. 284040, Case No. 284040, 54 mm, 126 g, circa 1880

A gentleman's fine pocket watch with 52,2 minutes carousel
Case: 18k gold. Dial: enamel. Movm.: 3/4 plate movement, gold screw compensation balance.

"Carousel" watches are a design by the Danish watchmaker B. Bonniksen, who registered the patent in 1892 in England. His intention was to create a compromise between the "expensive" tourbillon and a normal chronometer - and he actually achieved better results with his carousel than some did with tourbillons. In 1899 Richard Lange improved the design and received a protection of utility patent D.R.G.M 121267 for it. The escapement in a carousel with auxiliary seconds revolves in 52.5 minutes, and thus avoids the variation caused by gravity. Lange only ever produced a small number of carousel watches, most of them in gold cases.
Source: Reinhard Meis "A. Lange & Söhne" published by Callwey, page 180.
Estimate  3,500 - 4,500 €
This is a lot of a former auction!

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