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9114.90.50.00/Diver Watch Helium Escape Valve/Japan

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

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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Import Tips

• Provide pressure test certifications (300m+)

• Material safety data for titanium versions

• Classify separately from cases