Important Collectors’ Wristwatches, P...

Geneva, Mandarin Oriental Hotel Du Rhône, Oct 15, 2006

LOT 33

?Envoyée a Ducom? Breguet et Fils, No. 4476, Horloge Marine à deux Barillets, ?Petit Modèle?, sold to Monsieur Ducom on June 28, 1828, for 2,200 francs. Very fine and important, mahogany and silvered brass-cased two-day marine chronometer with eccentric dial, differential winding and ratchet key. Accompanied by a Breguet certificate.

C. Two-body solid mahogany box with sliding observation panel in the lid, silvered brass handles and fittings, movement mounted in a cylindrical silvered brass bowl and suspended within oval gimbals with original locking system. D. Matte silvered, eccentric, signed ?Breguet et Fils, No. 4476?, radial Roman numerals and outer dot minute markers, symmetrically positioned subsidiary seconds dial, winding aperture at the top with dust cap. Blued steel Breguet hands. M. Brass, twin barrels with wolf?s toothed differential winding mechanism above, train under the dial, navette-shaped platform with Earnshaw?s spring detent escapement, No. 87, cut bimetallic, freesprung compensation balance with peripheral adjustment screws for temperature and timing, top pivot with parachute, blued steel helical balance spring without terminal curves and lower stud adjustable horizontally and vertically, balance locking slide accessed from beneath the bowl. Dial signed and numbered, case numbered. Diam of bowl. 106 mm. Dim. 21 x 17 x 19 mm.