Main Spring Barrel Assembly for Automatic Watches from Mexico
A complete mainspring barrel with bridle and cover, powering automatic watch movements through rotor energy storage. This is a spring specifically for watches, distinct from general-use springs. It is classified under this tariff item as a watch part.
Duty Rate — Mexico → Canada
0%
Import Tips
• Declare this as a watch mainspring barrel, not a general spring
• Provide specifications showing its use in automatic watch movements
• Verify it is not part of a complete movement, which would be classified under heading 91.08