Stainless Steel Watch Case Back
A precision-machined stainless steel back cover for wristwatches, featuring screw-down threading and engraved serial numbers. It forms the rear enclosure of the watch case to protect the movement while allowing battery access in quartz models. Classified under HTS 9112.90.00.00 as a part of watch cases per Chapter 91 definitions.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If sold as generic stamped metal article without watch-specific features
Lacks design elements for timepieces; falls to base metal articles per Chapter 91 note 1(c)
If functions as a mechanical bearing housing component
Chapter note excludes parts suitable for other machinery like bearings
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Import Tips & Compliance
• Confirm the part is specifically designed for clock/watch cases, not general metal components (Chapter 73/83 exclusion)
• Provide engineering drawings showing case-specific features like O-ring grooves to avoid reclassification
• For high-volume imports, check if assembly qualifies for insular possession duty exemptions under US Note
Related Products under HTS 9112.90.00.00
Titanium Diving Watch Bezel
A unidirectional rotating titanium bezel ring with luminous dive scale markings for professional dive watches. It mounts onto the watch case middle to track elapsed dive time. Falls under HTS 9112.90.00.00 as a specialized part of watch cases in Chapter 91.
Porcelain Clock Case Cover
Hand-painted porcelain lid for decorative mantel clocks with hinge mounts and latch receiver. Traditional European styling. Classifies as HTS 9112.90.00.00 clock case part per Chapter 91.
Acrylic Clock Case Crystal
A domed acrylic watch crystal with anti-scratch coating, cut to precise specifications for mid-size clock cases. Provides transparent front protection for analog clock faces. Classified as HTS 9112.90.00.00 part since it forms integral case enclosure per Chapter 91.
Brass Pocket Watch Case Hinge
Small brass hinge mechanism connecting the lid to body of hunter-style pocket watch cases. Features friction tension for smooth one-handed opening. HTS 9112.90.00.00 classification as specialized watch case part in Chapter 91.
Sapphire Watch Case Front
Synthetic sapphire crystal blank with integrated steel bezel frame for luxury sports watches. Offers extreme scratch resistance and pressure sealing up to 300m. Qualifies as HTS 9112.90.00.00 watch case part under Chapter 91 case definitions.
Aluminum Desk Clock Case Body
Anodized aluminum middle case body for modern desk clocks, featuring cutouts for winding stems and glass retention clips. Accepts standard 50mm movements. HTS 9112.90.00.00 as clock case part per Chapter 91.