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

• 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?

See all 7 articles