Nivarox Hairspring for Mechanical Watches from United States
A Nivarox alloy hairspring designed for mechanical watch movements, regulating oscillation frequency for precise timekeeping. This is a spring specifically for watches, essential for balance wheel function. It falls under this tariff item as a watch spring.
Duty Rate — United States → Canada
0%
Import Tips
• Classify this as a watch hairspring, not a general spring
• Provide technical documentation showing its use in mechanical watch movements
• Ensure it is not part of a complete balance assembly, which may be classified differently