Thanks fellas.
A great site to check out for some major Heuer officianados would be
www.onthedash.com....lot of smart people on there. Good historical info on 60's and 70's chronos.
One thing to look for is the Valjoux movements. I now have a Valjoux 92 Heuer and this Valjoux 7734 Desotos.
Definitely check out onthedash.com. great site that links off to other great forums specific to Heuer, omega etc. For sale forum is super active....legit stuff.