Watch Balance Spring
Precision helical hairspring of steel wire under 5.1 mm for mechanical watch balance wheels. HTS 7320.20.5020 for small wire helical springs. Regulates timekeeping oscillation.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If clock/watch parts
Watch-specific parts under Chapter 91 timepieces.
If precious metal alloys
High-end watches use gold/silver alloy springs.
If electrical transformers inductors
If used in quartz watch electronics.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Swiss origin common; preferential treatment possible
• Highly precise measurement required
• Complete movements classified differently
Related Products under HTS 7320.20.50.20
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