A 200-piece watch O-ring replacement set designed for waterproof watches. Perfect for both professional watch repair businesses and home DIY users. Maintain the integrity and longevity of your timepieces by ensuring a proper seal that prevents dust and water from entering — keeping your watches running smoothly for years. Main Features High-quality rubber O-rings for waterproof watches. Helps maintain water and dust resistance. Ideal for professional watchmakers and DIY repairs. Suitable for replacing worn or damaged O-rings. Comes in assorted sizes for versatile use. Specification Total Pieces: 200 Sizes Included: 20 × 16mm × 0.6mm 20 × 18mm × 0.6mm 20 × 20mm × 0.6mm 20 × 22mm × 0.6mm 20 × 24mm × 0.6mm 20 × 26mm × 0.6mm 20 × 28mm × 0.6mm 20 × 30mm × 0.6mm 20 × 32mm × 0.6mm 20 × 34mm × 0.6mm
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