Heuer. A stainless steel manual wind chronograph wristwatch retailed by Mobec Zurich
Date: Circa 1950Movement: Jewelled manual wind, signed Heuer on the bridge, No.704315Dial: Silvered, painted gilt Arabic numerals, outer 1/5th second divisions with Arabic 5 minute markers, outer tachymetre scale, subsidiary dials at 3 and 9 for constant seconds and 30 minute recording, gilt leaf hands, centre chronograph handCase: Polished round, snap on back, crown flanked by twin pushers, No.64328Strap/Bracelet: Black calf skinBuckle/Clasp: Stainless steel buckleSigned: Dial & movementSize: 36mm