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
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
• 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)