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
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.