HEUER - STEEL - AUTAVIA - AUTOMATIC.- CHRONOGRAPH.Heuer, Autavia, Automatic, Chronograph. Made circa 1970..Fine, tonneau-shaped, self-winding, water-resistant, stainless.steel wristwatch with date, round button chronograph.registers, tachometer and a stai
C. Three-body, polished and brushed, screwed-down case.back, winding-crown at 9, bidirectional black bezel with.tachometer graduated to 400UPH..D. Bicolor black and silver with applied steel baton indexes.and luminous dots, outer 1/5th seconds track, subsidiary dials.for the 30-minute and 12-hour registers, aperture for the date.at 6. Luminous steel and red baton hands..M. Cal. 12, frosted gilt, 17 jewels, straight-line lever.escapement, monometallic balance, shock absorber, selfcompensating.fl at balance spring, micrometer regulator..Dial, case and movement signed..Dim. 42 x 47 mm. Thickness 15 mm.