chealwatch ltd All Watch Parts Watch Material Supply Call: 1 (213) 222 8616 Casio Watch Battery Replacement How To Change Your Watch Battery Yourself The DIY Life Comprehensive Guide to Wrist Watch Battery Replacement How To Change Battery In Watch CitizenSide. GENERAL SPECIFICATIONSProduct: Watch Battery Only Battery Cell Composition: Silver Oxide Recommended Uses for Product: Watch Battery Count: 1 Cell Model Compatibility: Fit C0820023 Operating Temperature Range: 40 Degrees Celsius to +85 Degrees Celsius Shelf Life: 5 years Leakage Resistance: Anti Leak Design Movement Compatibility: Quartz Swiss or Chinese or Japanese Movement Water Resistance Compatibility: Suitable for 50m Water Resistant Watches Mercury Free: Environmentally Friendly (0% Hg) High Low Temperature Tolerance: Extended Performance in Extreme Climates SKU: C0820023_K0054726