Upgrade your watch maintenance kit with the (YY) 1‑Box Mini Rubber Washer O‑Ring Set – the essential accessory for waterproofing, sealing, and repairing a wide range of timepieces. Designed for watchmakers, hobbyists, and anyone who values precision, these high‑quality silicone O‑rings provide a reliable barrier against moisture, dust, and wear, ensuring your watches stay accurate and looking great.
Key Highlights
- Premium silicone material – flexible, durable, and resistant to temperature extremes.
- Mini‑size O‑rings (diameter 1 mm, thickness 0.3 mm) perfect for watch crowns, case backs, and internal seals.
- Waterproof rating up to 10 ATM – ideal for dive watches and everyday wear.
- Universal compatibility with most quartz, automatic, and mechanical watches.
- Easy to install with standard watchmaker tools; no special equipment required.
- One‑box packaging includes 25 pre‑sorted washers for quick replacements.
Why Choose (YY) Mini Rubber Washers?
When a watch’s seal fails, moisture can infiltrate the movement, causing rust, loss of accuracy, or complete failure. The (YY) Mini Rubber Washers provide a tight, leak‑proof seal that restores the original water resistance of your timepiece. Their precise dimensions and soft yet sturdy construction prevent damage to delicate crown stems and case threads, extending the life of both the watch and its components.
Perfect For
- Professional watchmakers and repair shops.
- DIY enthusiasts performing routine maintenance.
- Collectors needing spare seals for vintage or high‑value pieces.
- Anyone looking to protect a waterproof watch from accidental exposure.
How to Use
1. Remove the old washer using a watch crown puller or case back tool.
2. Clean the seating surface with a lint‑free cloth.
3. Align the new silicone O‑ring in the groove.
4. Re‑assemble the crown or case back, ensuring even pressure for a snug fit.
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Price: Original price was: $ 8.53.$ 4.26Current price is: $ 4.26.

