Watch Batteries How To Change Your Watch Battery Yourself The DIY Life EB BR840ABY Battery for Samsung Galaxy Watch 3 SM R840 How To Change Your Watch Battery Yourself The DIY Life Samsung GALAXY WATCH 3 45MM battery,high grade replacement Samsung. GENERAL SPECIFICATIONSProduct: Watch Battery Only Battery Cell Composition: Silver Oxide Recommended Uses for Product: Watch Battery Count: 1 Cell Model Compatibility: Fit 40 8231RDGY 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: 40 8231RDGY_K0068305