Important Collectors Wristwatches, P...
Geneva, Mandarin Oriental Hotel Du Rhône, May 13, 2007
LOT 64
A prototype working model of an ATO halfsecond electromagnetic pendulum. Made circa 1950.
CHF 800 - 1,200
EUR 500 - 750 / USD 650 - 1,000
Sold: CHF 1,416
C. Perspex with chromed leveling screws, battery housing to the rear. M. The pendulum hung from a spring suspension, cylindrical regulator, two curved bar magnets, two coils. Dim. 43 x 25 x 16 cm. Property of a French Gentleman
| Grading System | |
|---|---|
Grade: A |
Good |
Case: 3 |
Good |
Movement: 3* |
Good Overhaul recommended, at buyer's expense |