200pcs Rubber O-Ring Watch Gaskets – 18 Sizes 16–30mm Kit
200-Piece Rubber O-Ring Watch Gasket Kit – 18 Sizes for Every Timepiece
Keep your watches sealed and protected with this comprehensive O-Ring Watch Gasket Kit. With 200 pieces across 18 sizes (16mm–30mm), this set has everything professional watchmakers and hobbyists need to restore a secure, water-resistant seal on virtually any watch back case.
Why You'll Love This Kit
- Broad Compatibility: 18 sizes ranging from 16mm to 30mm (approximately 11 pieces per size) cover almost all standard watch back cases — from dress watches to sport watches.
- Durable Rubber Construction: Made from robust, flexible rubber that resists deterioration under daily wear conditions, maintaining a consistent, long-lasting seal.
- Easy to Install & Remove: The flexible design allows for hassle-free fitting and removal, making it accessible for beginners and experienced watchmakers alike.
- Liquid Protection: Expertly crafted to help shield your timepiece from moisture ingress during repair and everyday use.
- Replace & Restore: Ideal for replacing worn, cracked, or damaged gaskets in waterproof and water-resistant watches — restoring your watch's integrity with precision.
Specifications
| Material | Rubber |
| Quantity | ~200 pcs (approx. 11 pcs per size) |
| Size Range | 16mm – 30mm (18 sizes) |
| Box Dimensions | ~11 × 6.8 × 1.5 cm / 4.33 × 2.68 × 0.59 inches |
| Weight | ~45g |
| Country of Origin | Made in China |
What's in the Box
- 1 × Box of O-Ring Watch Gaskets (200 pcs, 18 sizes)
Perfect For
- Professional watchmakers and repair technicians
- Watch collectors performing DIY maintenance
- Hobbyists learning watch servicing
- Anyone replacing a worn or damaged back-case seal
Complete your watch repair toolkit with these related items from our store:
10pcs Metal Q Ring Spring Clasps – Gold & Silver Plated |
Stainless Steel Cord End Caps with Loop – Jewelry Findings
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Frequently Asked Questions
Q: What watch sizes are compatible with these O-ring gaskets?
A: This O-ring watch gasket kit includes 18 sizes ranging from 16mm to 30mm, covering the vast majority of standard watch back cases for both men's and women's watches. With approximately 11 pieces per size and 200 total pieces, you'll have plenty of options for multiple repairs.
Q: Are these rubber O-ring gaskets easy to install without professional tools?
A: Yes! The flexible rubber material makes these O-ring watch gaskets straightforward to seat into the watch back case groove by hand or with basic watchmaking tools. They're designed to be user-friendly for hobbyists as well as professional watchmakers.
Q: How do I know which size O-ring to use for my watch?
A: Measure the inner diameter of your watch's back case groove (or refer to your watch's service manual) and select the matching size from the 18 available options (16mm–30mm). If you're between sizes, the next size up typically provides the best compression seal.
Q: Will these gaskets hold up during regular daily use?
A: These O-ring gaskets are crafted from durable rubber designed to resist deterioration under normal daily conditions. For best results, replace the gasket whenever you open the watch case back to ensure a consistently reliable seal.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.