Important Wristwatches, Watches & Clocks
Geneva, Hotel Des Bergues, Oct 17, 1992
LOT 72
Dumas, Elève du Gouvernement, No. 21, circa 1850.
CHF 7,000 - 9,000
Sold: CHF 9,775
Very fine and rare silver and gold pocket chronometer. Four body case, forme quatre baguettes, with gold rims, engine turned back and reeded band. Silver cuvette. White enamel dial with Roman numerals and subsidiary seconds. 22"' gilt brass bar movement with going barrel, Louis Berthoud type pivoted detent escapement, cut bimetallic two armed compensation balance with poising and timing screws, free sprung blued helical balance spring with terminal curves. Diam. 58 mm.
Notes
Very fine example of a French pocket chronometer
made by a pupil of Auguste Louis Berthoud, Louis
Berthoud's grandson and the nephew of Henri Motel.
The extremely fine Louis Berthoud's pivoted detent
escapement, usually set between plates is clearly visible
in this piece.