A 200-piece watch O-ring replacement set specially designed for waterproof watches. Ideal for professional watch repair shops and DIY enthusiasts, this set helps restore the waterproof integrity of your watches — keeping them protected and extending their lifespan. Main Features Premium quality O-rings for waterproof watches. Ensures reliable water and dust resistance. Suitable for both professional and DIY repairs. Includes multiple sizes for versatile use. Helps enhance the durability and performance of watches. Specification Total Pieces: 200 Sizes Included: 20 × 16mm × 0.5mm 20 × 18mm × 0.5mm 20 × 20mm × 0.5mm 20 × 22mm × 0.5mm 20 × 24mm × 0.5mm 20 × 26mm × 0.5mm 20 × 28mm × 0.5mm 20 × 30mm × 0.5mm 20 × 32mm × 0.5mm 20 × 34mm × 0.5mm
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