Geneva, Nov 10, 2024

LOT 402

CHARLES E. JACOT, SWITZERLAND, ''JACOT PATENT WINDING'', MADE FOR THE AMERICAN MARKET, 18K YELLOW GOLD

CHF 1,500 - 2,500

HKD 13,500 - 22,500 / USD 1,750 - 2,900 / EUR 1,600 - 2,700

TO BE SOLD WITHOUT RESERVE

Sold: CHF 4,500

A very fine and rare, 18k gold, manual wind hunting-cased, keyless pocket watch with helical balance spring and Charles Jacot's patent winding and hand-setting mechanism. White enamel, three piece, radial Roman numerals, outer minute track divided into fourths, Arabic five-minute numerals, subsidiary seconds. Gold hands.


LOADING IMAGES
Click to full view Click to full view Click to full view
Image Image Image
Grading System
Grade: AA

Very good
Case: 3

Good
Movement: 3-6*

Good

Slightly oxidized

Overhaul recommended, at buyer's expense
Dial: 3-01

Good

HANDS Original

Brand Charles E. Jacot, Switzerland

Year Circa 1870

Movement No. 8410

Case No. 8410

Diameter 55 mm.

Caliber  20''', patented half-plate caliber, 19 jewels, some in screwed gold chatons, straight line calibrated and counterpoised lever escapement, cut bimetallic compensation balance with gold adjustment screws, blued steel helical balance spring, index regulator, patented Jacot winding/setting system.

Signature Dial, case and movement

Notes

On January 19, 1869 Charles Jacot patented a winding/setting system based on his movement caliber. This proved to be an excellent movement, which Jacot produced for a number of years in different sizes.