Honeywell Pentax H3v

Honeywell pentax H3v

I found this camera in a box of oldies that I bought years ago. No batteries needed, works smoothly, looks new with a 135mm lens TELE-LENTAR 1:3.5 No meter, all speeds are right on. How old is this camera?

I don't know the official dates, but it was made in the 1960s. I think it's basically the same as the H1a, which is what I borrowed from my dad (and still have and use). AFAIK, these were the last ones before the Spotmatic.