Regulator Index Spring for Watchmakers from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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