Tourbillon Escape Wheel Spring from Japan
Specialized return spring for tourbillon carriage in ultra-luxury watches, maintaining constant rotation. Classified under HTS 9114.90.38.00 as 'other' precision spring for advanced watch complications.
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
• Technical drawings of tourbillon integration essential for justifying chapter 91 over machinery parts
• Declare as individual components; tourbillon cage assemblies shift to complete movement headings
• Luxury brand authorization letters support valuation for high-end components