Long Lasting Watch Battery BU7705 Amazon.com: Duracell Watch Battery 377, 6 Pack : Health & Household Amazon.com: Vvuilsty A2277 Replacement Battery for Watch Series 5 Gen The Fixit Zone: How to Replace a Timex Watch Battery Yourself Batteries N Accessories BNA WB P17525 Smartwatch Battery Li Pol, 3.7V. GENERAL SPECIFICATIONSProduct: Watch Battery Only Battery Cell Composition: Silver Oxide Recommended Uses for Product: Watch Battery Count: 1 Cell Model Compatibility: Fit BU7705 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: BU7705_K0068412