Amazon.com: #315 Renata Watch Batteries 10Pcs : Health & Household The customer says water is getting into the watch after I changed the Renata 315 SR716SW Batteries 1.55V Silver Oxide 315 Watch Battery (2 Buy KP 401523 3.7v 400mAh rechrgeable Battery for Smart Watch, Toys Watch Amazon.co.uk: wrist watch batteries. GENERAL SPECIFICATIONSProduct: Watch Battery Only Battery Cell Composition: Silver Oxide Recommended Uses for Product: Watch Battery Count: 1 Cell Model Compatibility: Fit 40323 15 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: 40323 15_K0054464