Overcoil Breguet Hairspring from Mexico
A traditional Breguet overcoil hairspring with terminal curves for isochronal performance in complicated watches. This is a specialized watch hairspring design. As a watch spring, it is classified under this tariff item as a part of watches.
Duty Rate — Mexico → Canada
0%
Import Tips
• Ensure the hairspring is declared as a watch spring, not a general spring
• Keep documentation of the Breguet overcoil design for CBSA verification
• Verify it is not part of a complete movement, which would be classified elsewhere