ROLEX BETA 21 QUARTZ WHITE GOLD Rolex Beta 21 Rolex, "Quartz", No. 802, Ref. 5100. Made in the 1970s. Very fine and exceptionally rare, heavy and large tonneau shaped, center seconds, 18K
ROLEX, REF. 5100, BETA 21 QUARTZ, YELLOW GOLD in Switzerland
Rolex - Datejust - Ref. Rolex - 5100
ROLEX | 'THE TEXAN' QUARTZ, REF 5100 BETA 21 YELLOW GOLD WRISTWATCH WITH DATE AND BRACELET CIRCA 1970 | Watches Weekly | Geneva | 2020 | Sotheby's
Rolex Beta 21 Texano 1st Generation Ref. 5100 Year 1971 for $37,500 for sale from a Seller on Chrono24