Nivarox Hairspring for Mechanical Watches from Canada
A Nivarox alloy hairspring designed for high-precision mechanical watches, regulating the oscillation of the balance wheel to ensure accurate timekeeping. It falls under HTS 7320.90.1000 as a hairspring made of iron or steel wire with cross-section under 16mm, specifically for horological use.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Verify the hairspring's material composition meets Chapter 73 iron/steel wire definition (cross-section ≤16mm) with supplier certifications
• Include detailed technical specs in documentation to distinguish from balance assemblies, avoiding misclassification
• Check end-use declarations for horological instruments to prevent reclassification as watch parts under Chapter 91