Silicon Hairspring for Luxury Chronometers from Germany
Advanced silicon hairspring for high-end chronometer-grade watches, offering antimagnetic properties and improved isochronism. Classified under HTS 9114.90.34.00 as a hairspring for watch movements per chapter definition of time-regulating devices.
Duty Rate — Germany → United States
17.3%
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
• Include material analysis certificates proving silicon construction; avoids precious metal misclassification
• Document end-use as watch movements only; silicon hairsprings must meet watch dimension specs
• Beware of set classification if shipped with balance wheel - may shift to complete movement heading 9108