ROLEX, A GENTLEMAN'S STEEL OYSTER IMPERIAL WRISTWATCH, REF:4220, 1930'S, SILVERED DIAL WITH BATON AND ARABIC NUMERALS, LUMINOUS HANDS, SWEEP CENTRE SECONDS, 17-JEWEL MOVEMENT WITH PATENTED SUPERBALANCE, CASE WITH SCREW BACK AND SCREW DOWN CROWN, DIAL, MOVEMENT AND CASE SIGNED, 29MM.