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Some semi-random thoughts and apologies if someone else has already thrown this out there...

Continuing on from Kurt's excellent info on how to spot a Val. 72 806:

Val. 72 pushers on the left (from Kurt) vs. Venus 178 pushers on the right:



And we can see here what Kurt and others are talking about with the telltale asymmetrical pushers:



But this also means that the cases would have had to have been drilled/machined differently to accommodate the different spacing of the pushers.

Then again, with the 806 being a new model anyway with a bigger case than the Chronomat, would this really be such a big deal if Breilting went away from their usual chrono movement supplier?

Also, I'm not sure what this means regarding chronology, but it could again point to some sort of interruption in the flow of Venus 178 movements that forced Breitling to both contract Valjoux movements as well to produce special specs for their case maker to accommodate them.

Now, whether Breitling produced some Venus 178 806s first and then made the brief switch to Valjoux movements due to a shortage/technical issue (lack of Incabloc?); or whether they started with the Val. 72 movements/cases and went back to their "normal" supplier Venus with a different case for the 178 for some other reason (cost, maybe?)....well, that remains the 100,000 Swiss Franc question!
Best,
T.

Hi Tom,

not only the pushers were positioned differently, even the dial feet are not adapted from a model of Venus to a model of Valjoux.
look also my conclusion here: viewtopic.php?f=11&t=16776&p=127287#p127287

A possible explanation could be Maybe that Breitling had received clear guidance from the AOPA, as at the military watches from Breitling, all of them were equipped with Valjoux calibre.

look for example the canadian airforce

Guys, digging some awesome old threads. I still can't see the difference between the pushers on the 2 watches:(