WTS] Rolex Bubbleback ref. 3131 in 14k Gold : r/Watchexchange
At Auction: ROLEX Oyster Perpetual 14K Gold Auto Bubble Watch, Ref 3131, c.1950
ROLEX REF. 3131 BUBBLE BACK PINK GOLD Rolex, Oyster Perpetual, Officially Certified Chronometer, Ref. 3131. Made circa 1940. Fine, tonneau-shaped, center seconds, self-winding, water resistant, 18K pink gold wristwatch with a pink