Amazon.com: Energizer Watch Batteries 364 363 SR621SW Battery New 5 Energy Efficient Watch Battery 6814 GW Sr621sw Battery Equivalent 10 pcs 341 Energizer Watch Batteries SR714SW SR714 0% Hg eBay. GENERAL SPECIFICATIONSProduct: Watch Battery Only Battery Cell Composition: Silver Oxide Recommended Uses for Product: Watch Battery Count: 1 Cell Model Compatibility: Fit 6814 GW 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: 6814 GW_K0063951