Thanks Michael, if you do a search there, you'll find some post I did awhile agoNovember 30 2008 at 2:11 AM
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Poseidon-Jim (Login Poseidon-Jim)
Response to For those mechanical chronograph freaks here's a site....
on basically the first Heuer Military prototype 12/24 divers watch.
I actually also did a smaller similar post here maybe 8 months ago, so give her a look see when you can.
If you dive deeper into the "OnThedash" forum, you'll find another forum or site directly involved with them, sort of a father & son Chronograph site called (Chronocentric).