Energizer 394 380 SR936SW High Drain Silver Oxide Watch Battery, 1.55V Renata 344 Watch Battery 1.55V SR1136SW: Amazon.co.uk: Fashion Energizer 394 380 SR936SW High Drain Silver Oxide Watch Battery, 1.55V Understanding Different Types of Watch Batteries. GENERAL SPECIFICATIONSProduct: Watch Battery Only Battery Cell Composition: Silver Oxide Recommended Uses for Product: Watch Battery Count: 1 Cell Model Compatibility: Fit 10543 06 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: 10543 06_K0052409