Important Watches Wristwatches, and C...
Geneva, Hotel Des Bergues, Apr 02, 2000
LOT 32
Patent A. Kaiser, Swis, circa 1890.Fine silver, keyless watch with digital jumping hours and minutes, A. Kaiser system, patented on24 February 1885.
CHF 2,200 - 2,600
Sold: CHF 2,300
C. Four-body, massive, ?pomme et filets? with engine-turned back. Hinged silver cuvette. D. White enamel with foliage decoration, apertures for hours and minutes, subsidiary seconds. M. 18???, gilt brass,15 jewels, straight line lever escapement, cut bimetallic balance, Breguet balance spring.Signed on the dial and movement.Diam. 52 mm.
| Grading System | |
|---|---|
Grade: AAA |
Excellent |
Case: 4 - 8 - 12 |
|
Movement: * 3 |
|
Dial: 3 - 01 |
Notes
The Kaiser patented hour and minute digital display system was mainly used by Cortebert and the International Watch Co.