Geneva, Nov 07, 2021

LOT 278

ALBERT H. POTTER & CO, 18K GOLD CHRONOMETER

CHF 10,000 - 20,000

HKD 85,000 - 170,000 / USD 10,900 - 21,700 / EUR 9,400 - 18,700

Sold: CHF 26,250

Very fine and rare 18K gold hunting-cased keyless pocket chronometer.


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Grading System
Grade:
Case: 3

Good
Movement: 2*

Very good

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

Good

HANDS Original

Brand Albert H. Potter & Co

Year Circa 1880

Movement No. 17

Diameter 56 mm

Caliber 20’’’, nickel, patented caliber, ‘fausses côtes’ decoration, 22 jewels, most in screwed gold settings, great wheel screwed on to the barrel cap. Patented pivoted detent escapement, shock-absorbing counterpoised and off-set passing spring. Two-arm cut bimetallic balance, free-sprung helical balance spring with terminal curves.

Signature Dial, Case and Movement

Notes

This watch employs three of Potter’s patents, the details of which are engraved on the bridges. The plate design was patented on January 4, 1875, the escapement and presumably the great wheel design, on October 11, 1875.Albert Potter’s work is not only rare, but always of top quality and offering completely original design.