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  2. Calibre 400 Series
  3. Additional Know-How

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?
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