The Ultimate Guide to Changing Your Watch Battery: Tools, Steps, and Energizer Watch Batteries (Single Battery or pack of 5) How to Replace Mvmt Watch Battery AllInWatches Watch Battery Size Chart Uk at Piper Walton blog. GENERAL SPECIFICATIONSProduct: Watch Battery Only Battery Cell Composition: Silver Oxide Recommended Uses for Product: Watch Battery Count: 1 Cell Model Compatibility: Fit NW 1211GYGY 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: NW 1211GYGY_K0060774