Original Battery 361 000147 10 550mAh 3.7V For Garmin Fenix 7X Smart Watch Batteries 300mAh, Garmin, 361 00147 10, Fenix 7x, Tactix 7 Smartwatch Replacement Watch Batteries 2 x Duracell 377 1.5 V Silver Oxide Watch Battery Batteries SR626SW AG4. GENERAL SPECIFICATIONSProduct: Watch Battery Only Battery Cell Composition: Silver Oxide Recommended Uses for Product: Watch Battery Count: 1 Cell Model Compatibility: Fit BU7767 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: BU7767_K0070566