Amazon.com: 1.55 Volt Watch Battery 394 Replaces SR936SW : Health Hermetic Watch Battery 699 Early 1900's 14 Karat Yellow Gold "Hermetic" Trench Watch" at 1stDibs Watch Batteries Speidel 4Cards 40Pcs AG4 Button Battery 377 Electronic Watch Dedicated LR626 Amazon.com: hunbath 100 Packs SR621SW 364 AG1 Watch Battery 1.55V 364A. GENERAL SPECIFICATIONSProduct: Watch Battery Only Battery Cell Composition: Silver Oxide Recommended Uses for Product: Watch Battery Count: 1 Cell Model Compatibility: Fit 699 Operating Temperature Range: 40 Degrees Celsius to +85 Degrees Celsius Shelf Life: 5 years Leakage Resistance: Anti Leak Design Movement Compatibility: Quartz 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: 699_K0066640