Diver Watch Helium Escape Valve from Japan
One-way valves that allow helium to escape from watch cases during professional saturation diving. Classified in HTS 9114.90.50.00 as other specialized watch parts for extreme pressure environments. Screw-down design maintains water resistance.
Duty Rate — Japan → United States
14.2%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Provide pressure test certifications (300m+)
• Material safety data for titanium versions
• Classify separately from cases