1box Watch Gasket Grease Watch Case Rubber Waterproof O-Ring Seal 0.5/0.6/0.7mm Oil-Resistant Watch Repair Tool for Watchmaker

This professional-grade watch repair kit includes high-quality gasket grease and precision rubber O-rings in three essential sizes (0.5mm, 0.6mm, and 0.7mm) to ensure optimal waterproof sealing for mechanical and quartz watches. The oil-resistant grease is specially formulated to maintain flexibility and durability, preventing leaks and protecting internal components from moisture and dust. Ideal for watchmakers and DIY enthusiasts, this complete set ensures a reliable seal during watch case back replacement or maintenance. Each O-ring is made from durable, long-lasting silicone rubber that resists aging and maintains elasticity over time. Perfect for maintaining water resistance in dive watches, sports watches, and everyday timepieces.