How to change the battery on a waterproof watch YouTube 343 Watch Battery Reference Watch Batteries Replacement Go Green & Clean With Watch Battery SR936SW Watch Batteries 394 2 x Renata 394 Swiss Made Equivalent to How to Replace a Lithium Watch Battery Esslinger Watchmaker Supplies Blog. GENERAL SPECIFICATIONSProduct: Watch Battery Only Battery Cell Composition: Silver Oxide Recommended Uses for Product: Watch Battery Count: 1 Cell Model Compatibility: Fit AD493AR 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: AD493AR_K0068654