Important Modern & Vintage Timepieces
Geneva, May 14, 2017
LOT 493
"TWO-DAY MARINE CHRONOMETER" "Two-Day Marine Chronometer" O(nésime) Dumas, a St. Nicolas, Pres Dieppe, No. 705. Made circa 1860. Fine and rare, mahogany two-day marine Chronometer with power reserve indicator
CHF 3,000 - 5,000
HKD 24,000 - 40,000 / USD 3,000 - 5,000
Three-body, mahogany, with external brass handles, glazed upper section, brass bowl in gimballed suspension. Frosted and silvered with Roman numerals, subsidiary seconds and 49-hour power reserve sector. Gilt "spade" hands. 76 mm., frosted gilt brass full plate with recess for the mainspring barrel, cylindrical pillars, secured by screws, 11 jewels, reversed fusee and chain, Earnshaw spring-detent escapement, cut bimetallic compensation balance, free-sprung helical balance spring with terminal curves, two cylindrical temperature adjustment weights and four screws, two mean time adjustment nuts. Free sprung blued steel helical balance spring with terminal curves.
| Grading System | |
|---|---|
Grade: AA |
Very good |
Case: 3 |
Good |
Movement: 3* |
Good Overhaul recommended, at buyer's expense |
Dial: 3-6-01 |
Good Slightly oxidized HANDS Original |