HEUER REF. 1163 AUTAVIA
CHRONOGRAPH JO SIFFERT STEEL
Heuer "Autavia" Automatic Chronograph, case No. 141450,
Ref. 1163 T. Made in 1969.
Fine, tonneau-shaped, self-winding, water-resistant, stainless
steel wristwatch with round button chronograph, registers,
tachometer and date with a stainless steel Heuer/Gay Freres
bracelet.
Two-body, polished and brushed, screwed-down case
back, black bezel with tachometer graduation to 400 UPH,
winding crown at 9.
Bicolor white and black with applied luminous steel
baton indexes and red markers, outer 1/5th seconds track,
subsidiary dials for the 30-minute and 12-hour registers,
aperture for the date at 6. Luminous steel and blue baton
hands.
Cal. 12, rhodium-plated, 17 jewels, straight-line lever escapement,
monometallic balance, shock absorber, self-compensating
flat balance spring.