Crystal Clock Case Gasket from Mexico
Silicone gasket ring compressed between clock crystal and case body for dust/moisture sealing. Precision molded to case specifications. Qualifies as HTS 9112.90.00.00 case part in Chapter 91.
Duty Rate — Mexico → United States
15.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Durometer hardness ratings prove sealing function for watches
• Cross-section diagrams show crystal-case compression design
• Avoid Chapter 40 bulk rubber by case-specific molding evidence