2x Renata Watch Battery Swiss Made All Sizes: Amazon.co.uk: Electronics SR1120W Watch Battery x 2 Renata 391 Fits Omega Calibre 1337 eBay Watch Parts Replacement Watch Supplies Watch Repair Parts Swatch watch battery RENATA original electronic 394 329 390 377 317. GENERAL SPECIFICATIONSProduct: Watch Battery Only Battery Cell Composition: Silver Oxide Recommended Uses for Product: Watch Battery Count: 1 Cell Model Compatibility: Fit R13724712 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: R13724712_K0063860