【Replacement Watch Case Back Gasket Set – 0.6/0.8mm Rubber Sealing Rings】 – Professional-grade replacement gasket set designed for watch case back sealing and repair. Features 0.6mm and 0.8mm thickness options – the most common specifications for mechanical and quartz watch case backs-. Available in multiple diameter ranges: 0.6mm (13-40mm) and 0.8mm (28-38mm) to fit a wide variety of watch models-11-17. Crafted from high-quality elastic rubber – durable, wear-resistant, and ensures long service life-11-. The essential waterproofing kit for watch enthusiasts and professionals.
Perfect Fit for Most Watch Models – Specifically engineered for watch case back sealing applications. Available in multiple diameter ranges to fit various watch sizes: 0.6mm thick rings (13-40mm diameter) and 0.8mm thick rings (28-38mm diameter)-17. Compatible with most mechanical watches, quartz watches, and chronograph models. Also available in 0.5mm (13-37mm) and 0.7mm (25-40mm) options for complete coverage-.
Premium Elastic Rubber Construction – Crafted from high-quality rubber material – flexible, durable, and wear-resistant-. Key advantages:
Elastic and flexible – easy to install and remove-11
Long service life – maintains sealing performance over time
Fills gaps perfectly – installs between watch and back cover to prevent dust and water ingress--11
Protects internal components – safeguards the movement from moisture and debris-
Available in black – matches the original factory aesthetic-
Complete Watch Repair Kit – Ideal for watch enthusiasts, hobbyists, and professionals. Perfect for:
DIY battery replacements – replace the gasket when changing watch batteries
Case back resealing – restore waterproofing after opening the case
Watch restoration projects – replace worn or damaged original seals
Professional repair work – essential inventory for watchmakers and repair shops-
Wide Application Range – Suitable for repairing and maintaining most watch brands including Casio, Seiko, Citizen, Tissot, Omega, Rolex, and more. The 0.6mm and 0.8mm thicknesses cover the most commonly used specifications in the watch industry.
Easy Measurement Guide – To select the correct size:
Measure the groove diameter on your watch case back using a caliper-
Measure the thickness of your existing gasket-
Match to the closest available size in this set
For most Tissot case backs, the 0.6mm thickness is commonly used-
OEM-Spec Alternative – Precision-crafted to match original manufacturer specifications. A cost-effective solution compared to OEM service parts. Note: These are aftermarket replacement parts, not genuine branded parts.
Easy Installation – Direct replacement for the original gasket. Simply remove the old sealing ring, clean the groove, and press the new ring into place. Professional installation recommended for water resistance assurance.






