The Longitude at the Eve of the Third...

Geneva, Hotel Des Bergues, Oct 23, 1999

LOT 83

Breguet No. 886, sold to the Dépôt de la Marine in 1863, for 2000 Francs.Fine mahogany marine chronometer with 49 hour power reserve indicator.

C. Three body mahogany box with external handles, the glazed upper section with hinged lid and brass corners. Brass bowl and gimballed suspension.D. Silvered with Roman numerals, outer minutes ring, subsidiary seconds and Up-and-Down sector. Blued-steel "pear" hands. M. Frosted and gilt, full plate with cylindrical pillars secured by screws, Pons calibre, inverted fusee with maintaining power, Earnshaw type spring detent escapement, two-arm bimetallic compensation balance with cylindrical weights and timing screws, diamond end-stone, free sprung polished-steel helical balance spring with terminal curves.Signed on the dial and mahogany box.Dial diam. 81 mm.Dim. 16 x 16 x 17 cm.