Top Brand Smart Watch Battery 3.7v 350mah Rechargeable Li ion Polymer DURACELL DISTRIBUTING NC 67848 Silver Oxide Watch Battery, #377, 1.5 Amazon.com: POWEROWL SR626SW 377 Watch Battery 24 Pack High Capacity 5PCS Original SR626SW 377 Quartz Watch Battery Batteries for Wrist Energizer 377 376 Watch Batteries SR626SW SR626W 0% HG 20 pcs 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 3668 WM 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: 3668 WM_K0064138