A lady's pink gold bracelet watch with concealed dial, Rolex, ref. 3923, circa 1940

18k, rectangular nickel lever movement, 18 jewels, timed to 6 positions, patented superbalance, champagne matte dial, Arabic numerals, the dial concealed beneath a raised triangular cover, the sides with openwork scrolls, case, dial and movement signed, completed by an 18k Rolex lanyard link bracelet, the gold clasp with matching openwork scroll design.