Heuer. A fine and attractive tonneau-shaped automatic chronograph wristwatch with date

Heuer. A fine and attractive tonneau-shaped automatic chronograph wristwatch with date
Signed Autavia, Heuer, Automatic, Chronograph, case no. C 2704-4, circa 1970
Cal. 11 automatic movement, 17 jewels, black matte dial, applied luminous baton numerals, luminous hands, outer fifth of a second combined with red five minutes divisions, two sunken engine-turned subsidiary dials for 30 minutes and 12 hours registers, window for date, large tonneau-shaped water-resistant-type case, bidirectional revolving black bezel with tachymetre scale graduated to 400 units per hour, screw back, two round chronograph buttons in the band, case, dial and movement signed
42 mm. width; 47.5 mm. length