Nivachron Hairspring for Rolex Movements
Nivachron chronergy hairspring with optimized leg design for Rolex Caliber 3235, offering Parachrom-like antimagnetic properties from steel base. Classified under HTS 7320.90.1000 as hairspring of steel for mechanical watch regulation.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If pre-assembled with collet and regulator
Hairspring assemblies with mounting components become complete clock/watch parts.
If imported as raw wire stock
Steel wire before hairspring forming classifies under Chapter 72 as wire products.
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Import Tips & Compliance
• Highlight proprietary Nivarox patents in docs to justify premium valuation
• Ship in anti-static packaging with humidity indicators for delicate hairsprings
• For high-volume imports, consider FTZ processing to defer duties during quality control
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