ROLEX REF. 5100 BETA 21 QUARTZ YELLOW GOLD Rolex, Quartz, No. 283, Ref. No. 5100. Made in the 1970s. Very fine and rare, heavy and large, tonneau- shaped, center seconds, 18K yellow
ROLEX | 'THE TEXAN' QUARTZ, REF 5100 BETA 21 YELLOW GOLD WRISTWATCH WITH DATE AND BRACELET CIRCA 1970 | Watches Weekly | Geneva | 2020 | Sotheby's
Rolex Texano Quartz for $25,000 for sale from a Private Seller on Chrono24