Watch Batteries Amazon.com: DURNERGY SR621SW Watch Battery 10 Pcs, AG1 Battery Watch 10ct Card SR621 AG1 LR621 364 164 1.5v Button Coin Cell Watch Lot Large Assortment Of Watch Batteries. GENERAL SPECIFICATIONSProduct: Watch Battery Only Battery Cell Composition: Silver Oxide Recommended Uses for Product: Watch Battery Count: 1 Cell Model Compatibility: Fit 6814 WB 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 WB_K0063948