: 1. There where no Heuer Tri-Compax with small subdials in this time
: range, all, the early Tri-Compax, the
: early triple calendar chronographs and the early
: triple cal. moonphases had 3 big subdials.
: 2. the movement numbers of the Valjoux 72 C begin all with 50xxxx
: 3. the movement numbers of the Valjoux 88 begin with begin all with
: 55xxxx, because they were made later than the Valjoux 72C

: your watch cannot be original, because your movement number begin
: with 40xxxx, its too low and too early for a Valjoux 88, but you
: have 2 small sobdials as in the 1980th, maybe your watch is a
: 1980th re-edition, but not a 1950th chronograph