Balance Spring Assembly for Dive Watches from United States
A pre-assembled balance spring with collet and stud for professional dive watches, rated to 300m water resistance. This is a hairspring specifically for watch timekeeping regulation. As a watch spring, it is classified under this tariff item as a part of watches.
Duty Rate — United States → Canada
0%
Import Tips
• Classify this as a watch spring, not a general spring, to ensure correct tariff treatment
• Provide documentation showing the spring is specifically designed for watch movements
• Verify it is not part of a complete balance assembly, which may be classified differently