Panasonic Original CR2477 3V CR 2477 High Performance High Temperature Chronometer Grade Button Cell 3747 B Button Cell Type 337 Battery Maxell 20 Pcs eBay Cr2477 Coin Cell Battery with Solder Tabs for PCB Board China Lithium. GENERAL SPECIFICATIONSProduct: Watch Battery Only Battery Cell Composition: Silver Oxide Recommended Uses for Product: Watch Battery Count: 1 Cell Model Compatibility: Fit 3747 B 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: 3747 B_K0064108