4-Size Watch Back Cover O-Ring Seal Kit 0.5mm/0.6mm/0.7mm/0.8mm Gasket Set for Watch Repair

1. The kit provides O-rings in four sizes (0.5mm, 0.6mm, 0.7mm, and 0.8mm), allowing users to select the appropriate sealing ring based on the specific requirements of their watch case back.
2. These O-rings help create a seal, reducing the possibility of moisture and dust entering the watch case, thereby enhancing protection.
3. Made from durable rubber, they are resistant to wear and corrosion, ensuring long-lasting sealing performance.
4. Easy to install: These gaskets are designed for simple installation, making them ideal for watchmakers and DIY enthusiasts.
5. The black gaskets complement the watch design seamlessly while ensuring a secure fit.