CR 1220 HFN Panasonic CR1220 Button Battery, 3V, 12.5mm Diameter RS Turbo King Battery 200AH to 220 AH at 13500 Tall Tubular Battery in Button batteries guide ACCC Product Safety CR123A Button Top Lithium Manganese Dioxide Battery 3V Electronics 360 Energizer Designs New Button Battery to Protect Kids 3V CMOS Lithium Button Battery with Professional Technology Lithium. GENERAL SPECIFICATIONSProduct: Watch Battery Only Battery Cell Composition: Silver Oxide Recommended Uses for Product: Watch Battery Count: 1 Cell Model Compatibility: Fit K5023120 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: K5023120_K0067975