Brosse à Bordeaux, Movement No. 13, Case No. 7591, 61 mm, 154 g, circa 1820
A French pocket chronometer with spring detent escapement according to Thomas Earnshaw Case: silver. Dial: enamel. Movm.: 2/3 plate movement, large three-arm brass balance, hack feature.
The balance of this pocket chronometer has a diameter of 21 mm! The dial is fitted with a large auxiliary seconds indicator with hack mechanism and shows that the maker of the watch laid great value on accuracy. Not many movements by Brosse in Bordeaux still remain – the majority of them is kept by the Conservatoire National des Arts et Métiers in Paris. The small number of pendulum clocks, marine chronometers and pocket watches are often fitted with unusual custom-made mechanisms.
Estimate 4,500 - 7,000 €
This is a lot of a former auction!
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