Casio WATCH BATTERIES Genuine Replacement Parts CasioPart Amazon.com: DURNERGY 395 Watch Battery 10 Pack, AG7 SR927SW Watch Best Watch Batteries Stock Photos, Pictures & Royalty Free Images iStock Watch Batteries. GENERAL SPECIFICATIONSProduct: Watch Battery Only Battery Cell Composition: Silver Oxide Recommended Uses for Product: Watch Battery Count: 1 Cell Model Compatibility: Fit CA301157GRBK Operating Temperature Range: 40 Degrees Celsius to +85 Degrees Celsius Shelf Life: 5 years Leakage Resistance: Anti Leak Design Movement Compatibility: Quartz 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: CA301157GRBK_K0063554