AOOOWER AG7 LR927 395 Watch Battery Alkaline Button Cells Batteries for Store Home Products Feedback BELOWSYALER AG9 LR936 394 Button Cells Batteries for Consistent Power S9cc5b885b2db49e182b5f6226aa98afa4.jpg. GENERAL SPECIFICATIONSProduct: Watch Battery Only Battery Cell Composition: Silver Oxide Recommended Uses for Product: Watch Battery Count: 1 Cell Model Compatibility: Fit AKR439SS2 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: AKR439SS2_K0068561