Additional Know-How
- How is a Calibre 400 Series watch wound?
- How do I set the time and date on the Cal. 400+ watches (401 and 403)?
- I have problems with the accuracy of my Calibre 400 Series watch. What should I do?
- When setting the time on a Calibre 400 Series watch, the minute hand jumps. Why is this and what can I do about it?
- What details can you share about torque in Calibre 400 Series movements?
- How anti-magnetic are Calibre 400 Series movements?
- Why does the Calibre 400 Series not have the famous Oris Red Rotor?