Tourbillon Escape Wheel Spring
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.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If classified among 'other' assemblies of materials
Complex spring assemblies may fit broader 'other parts' categories.
If precision mechanisms for lifting/lowering applications
Non-timekeeping end-use classifies as other machinery parts.
If precious metal hallmark articles
Chapter 71 covers goldsmiths' finished articles regardless of function.
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Import Tips & Compliance
• 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
Related Products under HTS 9114.90.38.00
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