Replacing A Watch Battery 7 Best Watch Battery Replacements to Keep Your Timepieces Running 10 x 1.55V Button Coin Cell Watch Battery Batteries AG4 LR66 LR626 377 5Plus 10 Pack AG4 LR626 377 1.5V Button Cell Batteries 0% Mercury AG10 button cell alkaline batteries calculator coin watch battery size. GENERAL SPECIFICATIONSProduct: Watch Battery Only Battery Cell Composition: Silver Oxide Recommended Uses for Product: Watch Battery Count: 1 Cell Model Compatibility: Fit AD465BR Operating Temperature Range: 40 Degrees Celsius to +85 Degrees Celsius Shelf Life: 5 years Leakage Resistance: Anti Leak Design Movement Compatibility: Quartz Swiss 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: AD465BR_K0068676