HELBROS/GENEVE. AN 18K WHITE GOLD MANUAL WIND CHRONOGRAPH WRISTWATCH. Date: C.1940's. Model: Sport Serial number : 54029. Movement: Signed, Helbros manual chronograph. Dial: Signed, black, white Arabic numerals, silvered hands, two subsidiary dials for the chronograph at 3 and 9 o’clock. Case: Signed, white gold, oval pushers. Strap: Later brown leather. Size: 32mm.