Stainless Steel Watch Back Case from Mexico
A precision-machined stainless steel back cover for wristwatches, featuring screw-down threading and engraved serial numbers. It forms the rear enclosure of the watch case, protecting the movement from water and dust. Classified under HTS 9111.90.50.00 as a specific watch case part known as 'backs'.
Duty Rate — Mexico → United States
16.8%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Verify material composition via spectrometry for accurate HTS classification; ensure engravings don't alter case heading
• Obtain supplier certifications confirming sole use as watch case backs
• Watch for misclassification as general metal parts under Chapter 73