Crystal Clock Case Gasket
Silicone gasket ring compressed between clock crystal and case body for dust/moisture sealing. Precision molded to case specifications. Qualifies as HTS 9112.90.00.00 case part in Chapter 91.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If standard O-ring gaskets without case-specific profiles
Other rubber articles lacking Chapter 91 design integration
If plastic compression seals
Plastic gaskets if material composition changes
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Import Tips & Compliance
• Durometer hardness ratings prove sealing function for watches
• Cross-section diagrams show crystal-case compression design
• Avoid Chapter 40 bulk rubber by case-specific molding evidence
Related Products under HTS 9112.90.00.00
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.
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.