Important Collectors’ Wristwatches, P...

New York - The Fuller Building, Jun 14, 2007

LOT 176

"Beta 21" Rolex, ?Quartz?, Ref. 5100. No. 090. Made in 1970. Very fine and exceptionally rare, tonneau-shaped, center seconds, 18K yellow gold gentleman's quartz wristwatch with date and an integrated, 18K yellow gold Rolex bracelet.

C. Three-body, solid, polished and brushed, fluted bezel, geometrical-shaped hooded lugs, 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 by the frequency reducer. Dial, case and movement signed. Diam. 38 mm. Thickness 13 mm.