Geneva, November 8th-9th, 2025
Geneva, Nov 07, 2026
T. JONES & SON, ENGLAND, MARINE CHRONOMETER WITH 56-HOUR POWER RESERVE, BRASS AND WOOD
A fine, brass and wood, manual wind marine chronometer with 56-hour power reserve indication at 12 o’clock. Silvered dial with subsidiary seconds at 6 o’clock and blued steel spade hands.
| Grading System | |
|---|---|
Grade: AA |
Very good |
Case: 3 |
Good |
Movement: 3* |
Good Overhaul recommended, at buyer's expense |
Dial: 3-01 |
Good HANDS Original |
Brand T. Jones & Son, England
Year Circa 1840
Movement No. 8256
Case No. 8256
Caliber 85 mm., full-plate movement, relieved for the barrel, with ringed cylindrical pillars, fusee and chain with maintaining power, Earnshaw-type spring-detent escapement, two-arm bimetallic compensation balance with cylindrical weights and mean-time adjustment screws, diamond endstone, and free-sprung blued steel helical balance spring.
Diameter 188 X 188 mm.
Signature Dial and case
