Important Modern & Vintage Timepieces

Geneva, Nov 08, 2014

LOT 688

ROLEX REF. 5100 BETA 21 QUARTZ YELLOW GOLD Rolex, Quartz, No. 170, Ref. No. 5100. Made in the 1970s. Very fine and rare, heavy and large, tonneau-shaped, center seconds, 18K yellow gold quartz wristwatch with date and an integrated 18K yellow gold Rolex bracelet with concealed deployant clasp.

Three-body, solid, polished and brushed, fluted bezel, sapphire crystal with cyclops lens. Champagne with applied yellow gold baton indexes, outer 1/5th seconds/minute track, aperture for the date. Yellow gold baton hands. Cal. Beta-21, 13 jewels, frequency of the quartz oscillator: 8192 Hz, reduced to 256 Hz by the frequency reducer.