Silicon Hairspring for Modern Diver's Watches from Mexico
Anti-magnetic silicon hairspring for professional diver's watches, offering corrosion resistance and stability. Falls under HTS 9114.90.38.00 as innovative 'other' watch spring technology for timekeeping regulation.
Duty Rate — Mexico → United States
14.2%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Material safety data sheets for silicon components prevent hazardous goods misclassification during customs review
• Certify 1000+ gauss magnetic resistance to prove specialized watch function beyond general springs
• Patent documentation supports 'other' classification when challenging chapter 85 electronic component arguments