Nivarox Hairspring for Mechanical Watches from Japan
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 — Japan → United States
50%
Rate breakdown
9903.82.0250%Except as provided for in headings 9903.82.14, 9903.85.67 and 9903.85.68, articles of aluminum, of steel or of copper and derivative aluminum or steel articles, as provided for in subdivisions (c)(i)–(v) of U.S. note 16 to this subchapter
9903.03.060%Articles of aluminum, of steel, or of copper or derivative aluminum or steel articles; passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; medium- and heavy-duty vehicles; parts of medium- and heavy-duty vehicles; wood products; and semiconductor articles, of any country, as provided in subdivision (aa)(v) 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