Watch Gasket 0.5mm/0.6mm/0.7mm/0.8mm O-Ring Waterproof Rubber Gasket For Watch Back Cover Case Watchmaker Repair Tools Accessory

This high-quality rubber gasket set includes four essential sizes—0.5mm, 0.6mm, 0.7mm, and 0.8mm—perfectly designed to ensure a tight, waterproof seal for watch back covers and cases. Made from durable, flexible silicone rubber, these O-rings resist wear, aging, and moisture, maintaining optimal performance over time. Ideal for professional watchmakers and DIY enthusiasts, this repair accessory helps restore water resistance in mechanical and quartz watches. Each gasket is precisely manufactured to fit standard watch case dimensions, ensuring a snug fit and long-lasting protection against dust and water ingress. A must-have tool for any watch repair kit.