Heuer. A stainless steel manual wind chronograph wristwatch with triple calendarDate: Circa 1950Movement: 17-jewel manual wind, No.501668Dial: Silvered, gilt Arabic numerals, black outer 1/5th second divisions, blue outer calendar markers, subsidiary dials at 3, 6 and 9 for seconds, 30 minute and 12 hour recording, day and month apertures below 12, blued steel pointed baton hands, centre chronograph hand, further red arrow tipped calendar handCase: Brhed and polished round, snap on back, crown flanked by twin buttons, quick set buttons at 8 and 10, No.63796Strap/Bracelet: Associated black leatherBuckle/Clasp: Steel buckleSigned: Case, dial & movementSize: 35mmFor further information on this lot please visit the