200pcs Black Rubber O-Ring Watch Repair Washer Gasket Sealing O-Ring with Box Mechanical Watch Repair Tool Accessories

Sealing performance: These black rubber o-rings provide excellent sealing capabilities against water, dust, and other contaminants, ensuring your watch remains secure during various activities. Durable material: Made from high-quality natural rubber, these gaskets offer superior resistance to aging, deformation, and damage over time, making them ideal for long-term usage. Compatibility assurance: Designed specifically to fit standard sizes found across most popular brands of mechanical watches, offering compatibility with numerous models within your collection. Package convenience: Each set comes neatly packed in a sturdy box, which helps protect the integrity of the seals while also providing an organized storage solution. Versatile applications: Suitable for a wide range of mechanical watches, clocks, instrument panels, pumps, valves, and many more devices requiring precision sealing solutions..syi