What Is A Watch Battery Made Of at Michael Goodwin blog How To Change The Battery On Your Timex Watch Timex Battery Change Energy CR1220 Clock Battery 35 mAh for Compaq Armada 1100 Walmart Replacement Battery for Accu Chek Guide Me Blood Glucose Monitor. GENERAL SPECIFICATIONSProduct: Watch Battery Only Battery Cell Composition: Silver Oxide Recommended Uses for Product: Watch Battery Count: 1 Cell Model Compatibility: Fit C1210005 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: C1210005_K0054704