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Silicon Hairspring for Luxury Chronometers from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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

Silicon Hairspring for Luxury Chronometers from Japan — Import Duty Rate | HTS 9114.90.34.00