Overcoil Breguet Hairspring
Traditional Breguet overcoil hairspring with terminal curves for isochronal performance in complicated watches. HTS 9114.90.34.00 as specialized watch hairspring design.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If set with precious stones
Articles combining watch parts with gemstones go to chapter 71.
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
• Provide coiling diagrams showing Breguet curves; proves specialized watch construction
• Avoid modern flat spring confusion; traditional design affects value declaration
• Certify hand-crafted status for potential preferential tariff treatment
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.