A practical 10-piece watch O-ring set designed for maintaining and repairing waterproof watches. Ideal for both professional watch repairers and DIY enthusiasts, these precision rubber O-rings help restore water resistance and ensure a tight, long-lasting seal. Main Features Complete 10-size range (31mm–40mm). High-quality rubber for durability and flexibility. Ensures watertight sealing for waterproof watches. Suitable for repair shops or home maintenance. Compact set—perfect for individual or occasional use. Included Sizes 31mm × 0.9mm 32mm × 0.9mm 33mm × 0.9mm 34mm × 0.9mm 35mm × 0.9mm 36mm × 0.9mm 37mm × 0.9mm 38mm × 0.9mm 39mm × 0.9mm 40mm × 0.9mm Specifications Material: Rubber Thickness: 0.9mm Quantity: 10 pieces Application: Waterproof watch sealing and maintenance
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