Glucydur Balance Spring for Chronograph Watches from Japan
A Glucydur alloy balance spring optimized for high-frequency chronograph movements operating at 4Hz. This hairspring is specifically designed for watch timekeeping regulation. As a watch spring, it falls under this tariff item as a part of watches.
Duty Rate — Japan → Canada
0%
Import Tips
• Ensure the spring is declared as a watch hairspring, not a general spring
• Provide technical specifications showing its use in chronograph movements
• Verify it is not part of a complete movement, which would be classified elsewhere