Power Reserve Indicator Mainspring from Germany
Extended mainspring barrel for watches with 7+ day power reserve indicators, powering complex mechanical movements. HTS 9114.90.38.00 includes such high-capacity 'other' springs as essential watch parts.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Torque specifications and winding tests documentation prove watch movement functionality
• Distinguish from clock mainsprings (larger dimensions) that may classify under different clock headings
• For precious metal versions, exact plating thickness determines chapter 71 vs. 91 classification