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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If general watchmaker tools
Non-spring watch repair tools fall under tools of heading 8205.
If parts for precision instruments
Dual-use parts excluded by note 4 to chapter 84/85 machinery.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Classify as replacement parts with service records; avoids new movement categorization
• Quantities limited to service needs; bulk suggests manufacturing use
• Include timing machine compatibility specs for verification
Related Products under HTS 9114.90.34.00
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.
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.