Amazon.com: Duracell D364BPK09 Silver Oxide Electronic Watch Battery LIR1454 LIR 1454 3 6V 85mAh Lithium Rechargeable Battery For Bluetooth 50 pcs Sz LR48 393 AG5 L754 SR754W Alkaline Watch Battery Walmart.com Mayitr 50pieces Cell Coin Watches Battery LR44 AG13 L1154 357 SR44 1.5V. GENERAL SPECIFICATIONSProduct: Watch Battery Only Battery Cell Composition: Silver Oxide Recommended Uses for Product: Watch Battery Count: 1 Cell Model Compatibility: Fit 15644_5 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: 15644_5_K0051425