I think this pdf might be correct:
http://www.primrosesupplies.com/Swiss%20Tech%20Guides/Seiko/8V22.pdf
http://www.primrosesupplies.com/Swiss%20Tech%20Guides/Seiko/8V22.pdf
I think this pdf might be correct:
http://www.primrosesupplies.com/Swiss%20Tech%20Guides/Seiko/8V22.pdf