Powerful Watch Battery AK487SS Watch Batteries Duracell 377 SR626SW SB AW AG4 1.55v Silver Oxide Watch Battery: Amazon Energizer 394 380 SR936SW High Drain Silver Oxide Watch Battery, 1.55V 30pcs Sz LR48 393 AG5 L754 SR754W Alkaline Watch Battery Walmart.com. GENERAL SPECIFICATIONSProduct: Watch Battery Only Battery Cell Composition: Silver Oxide Recommended Uses for Product: Watch Battery Count: 1 Cell Model Compatibility: Fit AK487SS 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: AK487SS_K0068602