Thanks, Freddy, it was really fun tinkering with it and getting it running and scrounging case parts, etc., was kinda like building a Franken! I think it's the right voltage, I order a few cells that are supposedly for the Accutron. I have one more of these that I bought complete as "...running, keeps good time..." and I'm having some difficulty with it. It does appear to run but the date change hangs half way between numbers. Fun $hit...
The first Accutron I ever saw was when I was in the Army. The infrared surveillance equipment that I trained on used a 24 hour dialed Accutron in the film recorder to time-stamp the film with.