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Details
Blancpain, a lady's 9ct gold automatic Rolls wristwatch, 1930.
silvered dial with Breguet numerals, the movement acting as a swinging mass sliding on four balls in a U-shaped frame winding in one direction, cut out bimetallic screw balance, flat hairspring, and 15 jewels, rectangular hinged case, 11mm x 28mm.
silvered dial with Breguet numerals, the movement acting as a swinging mass sliding on four balls in a U-shaped frame winding in one direction, cut out bimetallic screw balance, flat hairspring, and 15 jewels, rectangular hinged case, 11mm x 28mm.