Battery change at home WatchUSeek Watch Forums Next Gen 15640_2 Watch Battery Replacement Battery change at home WatchUSeek Watch Forums How to Replace a Lithium Watch Battery Esslinger Watchmaker Supplies Blog Replace Watch Battery YouTube How To Change A Watch Battery Watch and Learn #43 YouTube. GENERAL SPECIFICATIONSProduct: Watch Battery Only Battery Cell Composition: Silver Oxide Recommended Uses for Product: Watch Battery Count: 1 Cell Model Compatibility: Fit 15640_2 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: 15640_2_K0051432