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Mainspring for Automatic Skeleton Watches from Mexico

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 — Mexico → United States

14.2%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

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

Mainspring for Automatic Skeleton Watches from Mexico — Import Duty Rate | HTS 9114.90.38.00