Flat Hairspring for Vintage Pocket Watch Restoration
Traditional flat hairspring for restoring antique mechanical pocket watches, fitting movements under 50mm diameter limit. HTS 9114.90.38.00 covers such 'other' springs as clock/watch parts despite restoration context.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If imported as complete movement assemblies
Assembled watch movements classify in 9113, while separate springs remain parts in 9114.
If imitation jewelry springs of base metal
Watch parts resembling jewelry components may classify under heading 7117.
If for clock repair machines, not direct watch use
End-use for repair equipment shifts classification from watch parts to machinery parts.
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Import Tips & Compliance
• Include historical movement specifications confirming size compatibility with note 3 watch movement definition
• Avoid 'universal spring' labeling that suggests non-watch applications, risking section XV classification
• For bulk restoration lots, maintain individual item records; aggregate valuation can trigger part vs. scrap scrutiny
Related Products under HTS 9114.90.38.00
Nivarox Hairspring for Mechanical Watches
A Nivarox alloy hairspring designed for mechanical watch movements, regulating the oscillation of the balance wheel to maintain accurate timekeeping. It falls under HTS 9114.90.38.00 as an 'other' spring specifically for clock or watch use, distinct from general use parts excluded by chapter notes.
Balance Spring for Quartz-Analog Watch Movements
A hairspring component for quartz-regulated watch movements with mechanical display, ensuring precise time intervals as defined in chapter note 3. Classified under HTS 9114.90.38.00 as 'other' watch springs, separate from unassembled chapter 85 parts.
Incabloc Shock-Protected Hairspring
A shock-resistant hairspring with Incabloc mounting system for luxury mechanical watches, regulating balance wheel oscillations. Falls under HTS 9114.90.38.00 as specialized 'other' watch springs for precise timekeeping.
Breguet Overcoil Hairspring
Traditional Breguet-style overcoil hairspring for high-end chronometer movements, improving isochronism in mechanical watches. Classified in HTS 9114.90.38.00 as 'other' precision watch springs per chapter definitions.
Silicon Hairspring for Modern Diver's Watches
Anti-magnetic silicon hairspring for professional diver's watches, offering corrosion resistance and stability. Falls under HTS 9114.90.38.00 as innovative 'other' watch spring technology for timekeeping regulation.
Power Reserve Indicator Mainspring
Extended mainspring barrel for watches with 7+ day power reserve indicators, powering complex mechanical movements. HTS 9114.90.38.00 includes such high-capacity 'other' springs as essential watch parts.