Watch Battery For Samsung Galaxy Watch 4 R860 R865 R870 R875 R880 R885 How to Replace a Watch Battery: An Easy Guide RS Chrono 270mAh Battery for Samsung Galaxy Watch Gear S4 42mm SM R810 R815U, EB Watch batteries new arrivals How to Change Watch Batteries Watch Battery Identification Guide. GENERAL SPECIFICATIONSProduct: Watch Battery Only Battery Cell Composition: Silver Oxide Recommended Uses for Product: Watch Battery Count: 1 Cell Model Compatibility: Fit J2. 041. S 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: J2. 041. S_K0052641