Important Wristwatches, Watches & Clocks
Geneva, Hotel Des Bergues, October 17, 1992
Dumas, Elève du Gouvernement, No. 21, circa 1850.
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.