Regulator Index Spring for Watchmakers from Mexico
Fine adjustment regulator spring for hairspring collet positioning in watch servicing. Specific to watch regulation, thus HTS 9114.90.34.00 for watch springs.
Duty Rate — Mexico → United States
17.3%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Classify as replacement parts with service records; avoids new movement categorization
• Quantities limited to service needs; bulk suggests manufacturing use
• Include timing machine compatibility specs for verification