Overcoil Breguet Hairspring from Japan
Traditional Breguet overcoil hairspring with terminal curves for isochronal performance in complicated watches. HTS 9114.90.34.00 as specialized watch hairspring design.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide coiling diagrams showing Breguet curves; proves specialized watch construction
• Avoid modern flat spring confusion; traditional design affects value declaration
• Certify hand-crafted status for potential preferential tariff treatment