Balance Spring Assembly for Dive Watches from Japan
Pre-assembled balance spring with collet and stud for professional dive watches, rated to 300m water resistance. Falls under HTS 9114.90.34.00 as watch-specific hairsprings per chapter 91 scope.
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
• Certify pressure resistance specs if claiming dive watch use; supports watch-specific classification
• Separate from shock protection systems to maintain parts vs complete module status
• Retain supplier invoices showing purchase for named watch brands (Rolex, Omega)