Watch Batteries Best price for High Quality 3.7V 380mAh SmartWatch Rechargeable Li Ion Battrey Camera 871 MIPC App Amazon.com: PKCELL 10 Pack SR920SW Watch Battery 370 371 AG6 Button 5pc 10pk Exell EB SR921 Silver Oxide 1.5V Watch Battery Compatible with. GENERAL SPECIFICATIONSProduct: Watch Battery Only Battery Cell Composition: Silver Oxide Recommended Uses for Product: Watch Battery Count: 1 Cell Model Compatibility: Fit 871 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: 871_K0066593