how to set day on day date watch 1970s?

Try this. It works on a 1970 Bulova.
1. Pull out the crown.
2. Turn the crown counter-clockwise (hands move backwards)until you get the day before the current one ( if today is Sat, get Fri.) and stop at about 8:00 o'clock.
3. Rotate the crown clockwise until the date and the day advance 1 day (to Sat.)
4. Repeat 2 and 3 above until you get today's date and day (Sat). You are now just past midnight. Keep going clockwise to get the correct time.
5. Done

Gino
July 2010