AG0 379 LR63 LR521 G0 379A 179 SR63 D379 Watch Battery 1.5V Alkaline 2 50PCS AG0 379 SR63 LR69 LR521 379A 1.55V Button Batteries For Watch AG0 379 LR63 LR521 G0 379A 179 SR63 D379 Watch Battery 1.5V Alkaline Copy URL. GENERAL SPECIFICATIONSProduct: Watch Battery Only Battery Cell Composition: Silver Oxide Recommended Uses for Product: Watch Battery Count: 1 Cell Model Compatibility: Fit R22593732 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: R22593732_K0063738