Watch Batteries Energy Efficient Watch Battery 506 Watch Batteries Lsc 2450 Battery 3.6V 50mAh Coin Type Primary Lithium Your Guide to Watch Batteries GP Batteries 50kw Solar System Lithium Battery 306ah 51.2V Energy Storage Home Solar. GENERAL SPECIFICATIONSProduct: Watch Battery Only Battery Cell Composition: Silver Oxide Recommended Uses for Product: Watch Battery Count: 1 Cell Model Compatibility: Fit 506 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: 506_K0066687