HEUER REF. 2446 AUTAVIA GMT CHRONOGRAPH STEEL
Heuer Autavia GMT, Ref. 2446. Made in the 1970's.
Fine, two time zone, water-resistant, stainless steel wristwatch with
round button chronograph, registers, 24-hour bezel and hand.
Three-body, polished, revolving red and blue bezel graduated in
24 hours for diurnal and nocturnal time, lapidated lugs, snap-on
Bicolor black and silver with luminous baton indexes, subsidiary
sunk guilloche dials for the seconds, the 12-hours and
30-minutes registers, outer 1/5th second scale. Luminous steel
baton hands, red arrow for the second time-zone.
Cal. 13''' rhodium-plated, 17 jewels, straight-line lever escapement,
monometallic balance, shock absorber, self-compensating
flat balance spring.