Important Modern & Vintage Timepieces
Geneva, May 14, 2017
LOT 495
"40-HOUR DECK CHRONOMETER" Dumas, Depot De La Marine, No. 66. Made circa 1840 under the direction of Henri Motel. Very fine and rare, marine deck Chronometer with spring footed-detent and 40-hour power reserve.
CHF 2,000 - 4,000
HKD 16,000 - 32,000 / USD 2,000 - 4,000
Sold: CHF 3,750
Three-tier mahogany deck box, the upper section with a numbered bone plaque, brass case en forme de tabatière secured inside the mahogany box, screwed- down brass bezel. Matte silvered, radial Roman numerals, outer minute track, subsidiary seconds, power reserve sector below 12. Blued steel Breguet hands. Brass, three-quarter plate, "spotted" decoration, reverse fusee and chain, Harrison's maintaining power, the barrel under a separate bridge, Earnshaw-type Chronometer escapement , spring footed-detent, two-arm cut bimetallic compensation balance with sliding cylindrical temperature weights and meantime adjustment screws, free-sprung blued steel helical balance spring, diamond endstone.
| Grading System | |
|---|---|
Grade: A |
Good |
Case: 3-8 |
Good Slightly scratched |
Movement: 3-8* |
Good Slightly scratched Overhaul recommended, at buyer's expense |
Dial: 3-6-7-01 |
Good Slightly oxidized Oxidized HANDS Original |