Silicon Hairspring for Modern Diver's Watches from China
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 — China → United States
21.7%
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
9903.88.157.5%Except as provided in headings 9903.88.39, 9903.88.42, 9903.88.44, 9903.88.47, 9903.88.49, 9903.88.51, 9903.88.53, 9903.88.55, 9903.88.57, 9903.88.65, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(r) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(s)
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