Nivarox Hairspring for Mechanical Watches
A Nivarox alloy hairspring designed for mechanical watch movements, regulating oscillation frequency for precise timekeeping. It falls under HTS 9114.90.34.00 as a spring specifically for watches, essential for balance wheel operation in automatic and manual timepieces.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If suitable for general industrial timing devices
Chapter note 4 excludes parts usable in non-watch articles like precision instruments from chapter 91.
If made primarily of stainless steel for bulk sale
Base metal springs of general use fall under section XV per chapter exclusion note 1(c).
If for clock movements rather than watch movements
Same heading but different subheading applies to springs exceeding watch size limits (over 50mm).
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Verify the spring is explicitly for watch movements (under 12mm thick, 50mm wide) to avoid reclassification under chapter 85
• Provide manufacturer specs confirming compatibility with watch balance wheels; retain movement assembly diagrams
• Check for base metal parts exclusion per chapter note 1(c); hairsprings qualify as watch-specific
Related Products under HTS 9114.90.34.00
Silicon Hairspring for Luxury Chronometers
Advanced silicon hairspring for high-end chronometer-grade watches, offering antimagnetic properties and improved isochronism. Classified under HTS 9114.90.34.00 as a hairspring for watch movements per chapter definition of time-regulating devices.
Main Spring Barrel Assembly for Automatic Watches
Complete mainspring barrel with bridle and cover, powering automatic watch movements through rotor energy storage. HTS 9114.90.34.00 covers this as a spring for watches, distinct from general-use springs.
Balance Spring Assembly for Dive Watches
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.
Glucydur Balance Spring for Chronograph Watches
Glucydur alloy balance spring optimized for high-frequency chronograph movements (4Hz operation). Classified in HTS 9114.90.34.00 as a hairspring for watch timekeeping regulation.
Incabloc Shock-Protected Hairspring
Hairspring with Incabloc shock protection system for rugged sports watches. HTS 9114.90.34.00 applies as it's a watch spring, not excluded general-use part.
Regulator Index Spring for Watchmakers
Fine adjustment regulator spring for hairspring collet positioning in watch servicing. Specific to watch regulation, thus HTS 9114.90.34.00 for watch springs.