HEUER AUTAVIA – Ref. 2446C
The 2446C is the second generation
manual-wind Autavia. It’s a handsome tool chronograph with a 40mm
case with attractive beveled lugs and a bidirectional rotating
designation on the 2446C stands for compressor. This means, that the
back tightens more as the watch is subjected to water pressure.
The movement is the Valjoux 72, which is
one of the most celebrated manual-wind chronograph movements ever
acrylic crystal should be flat with beveled edges. It is difficult
to source a replacement and many of these watches have a domed
While the original screw-back Autavia was produced for about seven
years and the Cal 11 and 12 models were made for an impressive 16
years, the 2446C was only in the catalogs from 1968 to 1971.
original dial in very good condition, showing some small signs of
Movement: overhauled in 2017, all functions
perfect, running strong
Case: some dents and scratches due to general
Bezel: nice condition, minor signs of wear
Crystal: original crystal – no replacement!