9114.90.38.00/Mainspring for Automatic Skeleton Watches/Japan

Mainspring for Automatic Skeleton Watches from Japan

A power reserve mainspring for self-winding automatic watch movements, providing energy to the gear train. It qualifies under HTS 9114.90.38.00 as an 'other' clock/watch spring, explicitly including clock/watch springs despite general exclusion notes.

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%

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Import Tips

• Include barrel assembly diagrams if imported with housing to distinguish from general metal parts in section XV

• Certify compatibility only with watch movements meeting size limits (note 3) to prevent chapter 85 misclassification