Important Collectors Wristwatches, P...
New York, Dec 05, 2007
LOT 287
Beta 21 Rolex, ?Quartz?, Ref. 5100. Made in 1970. Very fine and exceptionally rare, tonneaushaped, center seconds, 18K yellow gold quartz wristwatch with date and an integral 18K yellow gold Rolex bracelet.
USD 11,000 - 14,000
EUR 7,500 - 10,000
C. Three-body, solid, polished and brushed, fluted bezel, crystal with Cyclops lens. D. Champagne with applied yellow gold baton indexes, outer 1/5th seconds scale, aperture for the date. Yellow gold baton hands. M. Cal. Beta 21, 13 jewels, frequency of the quartz oscillator: 8192 Hz, reduced to 256 Hz. Dial, case and movement signed. Diam. 38 mm. Thickness 13 mm. Property of Various Owners
| Grading System | |
|---|---|
Grade: AA |
Very good |
Case: 3 |
Good |
Movement: 3* |
Good Overhaul recommended, at buyer's expense |
Dial: 3-01 |
Good HANDS Original |
Notes
After a year of research for the study of a quartz wrist caliber, the ?Electronic Watch Center? (CEH), developed and finished the caliber Beta 21 (29 x 24.3 mm.). It was ready for production in 1969 and was presented at the Basel Fair in 1970.