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  2. Calibre 400 Series

Calibre 400 Series

The New Standard

  • What’s the philosophy behind the Calibre 400 Series?
  • What are the most important features of the Calibre 400 Series?
  • When you introduced the Calibre 400 Series you called it “The New Standard”. Why?

Warranty

  • How do I activate the 10-year warranty on my Calibre 400 Series watch?

Power reserve

  • How can I make sure my watch is delivering the full five-day power reserve?
  • What should I do to get my my Calibre 400 Series watch going again if it has stopped?
  • Can I wind a Calibre 400 Series watch with a watch winder?
  • How does the winding system work on a Calibre 400 Series watch?

Maintenance/Repair Service

  • Do I really only need to service my Calibre 400 Series watch after 10 years?
  • How long will my Calibre 400 Series watch repair take?
  • What happens to my watch’s Calibre 400 Series movement when I send it back to Hölstein? Will it ever be replaced?

Additional Know-How

  • 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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