Replacement O-ring for Watches Ø 16.50 to 39.90 mm – H 0.70 to 0.90 mm – O-Ring – 1 Piece.
Product Description: Black nitrile rubber (NBR) O-ring designed to ensure the watertightness of watches and replace a worn seal. Thanks to its precision manufacturing, it effectively protects the mechanism against water, dust and humidity.
Features :
📏 Precise dimensions : Ø 16.50 mm to 39.90 mm – height (thickness) 0.70 mm to 0.90 mm .
⚙️ Compatibility : Suitable for many models of waterproof watches, including wristwatches and diving watches.
🛡️ Quality : nitrile rubber (NBR), hardness 65 to 70° Shore A , resistant to water, oils and wear.
🔧 Use : Ideal for replacement during watch maintenance.
💡 Maintenance advice : to ensure lasting water resistance, it is recommended to change the gasket of your watch every 4 years , even if there is no leak.
⚠️ Before purchasing, carefully measure the old gasket or check the exact dimensions of your watch.