LONGINES, A GENTLEMAN'S 18CT. GOLD SINGLE BUTTON CHRONOGRAPH WRISTWATCH, CIRCA 1925, WHITE ENAMEL DIAL WITH ARABIC NUMERALS, OUTER KILO-METER SCALE, SUBSIDIARY CONSTANT SECONDS AND MINUTE RECORDING DIALS, FROSTED GILT MOVEMENT NUMBERED 4010685, BI-METALLIC COMPENSATION BALANCE, GOLD CUVETTE, CIRCULAR CASE WITH HINGED BACK, CHRONOGRAPH BUTTON IN THE WINDING CROWN, DIAL, MOVEMENT AND CASE SIGNED, DIAMETER 35MM.