Renata 399 Swiss Made Watch Battery 399 (Sr927Sw) Walmart.com Long Lasting Watch Battery 3899 B Energizer 394 380 SR936SW High Drain Silver Oxide Watch Battery, 1.55V How Long do Watch Batteries Last? [Complete Guide] Millenary Watches Duracell D389 390PK09 Silver Oxide Electronic Watch Battery, 389 390 Amazon.com: LiCB 40 Pack Watch Batteries Replacement 395 SR927SW 399. GENERAL SPECIFICATIONSProduct: Watch Battery Only Battery Cell Composition: Silver Oxide Recommended Uses for Product: Watch Battery Count: 1 Cell Model Compatibility: Fit 3899 B 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: 3899 B_K0064032