KaPonsec 10 Pack SR626SW Equivalent 377S 377 LR626 1.5V Button Cell Amazon.com: KaPonsec 10 Pack SR626SW AG4 Equivalent 377S 377 LR626 1.5V Store Home Products Feedback 20 X AG9 194 G9 LR194 S33 L936 LR936H 0%Hg Alkaline Watch Thermometer 370 Renata Watch Batteries 5Pcs Walmart.com Walmart.com. GENERAL SPECIFICATIONSProduct: Watch Battery Only Battery Cell Composition: Silver Oxide Recommended Uses for Product: Watch Battery Count: 1 Cell Model Compatibility: Fit SK21906L 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: SK21906L_K0051486