ISA 8171 7-Jewel Quartz Chronograph Movement from Mexico
ISA 8171 quartz movement with 7 jewels supports chronograph functions via mechanical wheels, complete and assembled within watch size limits. HTS 9108.90.40.00 applies to such specialized 'other' movements not qualifying for jeweled watch headings.
Duty Rate — Mexico → United States
10%
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
• Detail chronograph sub-dials in invoices; complex functions risk scrutiny as 'over 7 jewels'
• Test regulation system (quartz) pre-entry to confirm Chapter 91 vs Chapter 85 electronic
• EU origin may qualify GSP; verify component origin for Column 1/2 duty application