Wakmann. A stainless steel manual wind triple calendar chronograph wristwatch

Ref: 71.1309.70, Circa 1970

Reference: 71.1309.70
Date: Circa 1970
Movement: 17-jewel Valjoux Cal.730 manual wind, column wheel chronograph
Dial: Black, applied luminous filled baton hour markers, outer 1/5th second divisions, further outer calendar markers to silvered surround, day and month apertures below 12, silvered subsidiary dials at 3, 6 and 9 for seconds, 30 minute and 12 hour recording, polished baton hands with luminous inserts, red centre chronograph hand, crescent tipped calendar hand
Case: Brushed and polished round, screw down back, crown flanked by twin pushers, quick set buttons at 9 and 10
Strap/Bracelet: Black leather
Buckle/Clasp: Plated buckle
Signed: Case signed Charles Gigandet, dial & movement signed Wakmann
Size: 37mm

Wakmann were retailers in their own right but well known for distributing Breitling within the US and would later be absorbed by Breitling.