ROLEX | BETA-21, REFERENCE 5100, A HEAVY AND POSSIBLY UNIQUE WHITE GOLD AND DIAMOND-SET WRISTWATCH WITH DATE AND BRACELET, CIRCA 1970 | 勞力士| "Beta-21 型號 5100 獨特白金鑲鑽石鏈帶腕錶,備日期顯示,機芯編號7314,錶殼編號78,約1970年製" | Important ...
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