Watch Battery Cross Reference Guide PDF Energy Storage Galvanic Cells Watch Battery Cross Reference Guide PDF Energy Storage Galvanic Cells Watch Battery Cross Reference Chart PDF Energy Storage Galvanic Cells Amazon.com: OCTelect Smart Watch Battery DZ09 420 mAh Capacity. GENERAL SPECIFICATIONSProduct: Watch Battery Only Battery Cell Composition: Silver Oxide Recommended Uses for Product: Watch Battery Count: 1 Cell Model Compatibility: Fit DZ4243 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: DZ4243_K0052766