








⏳ Power your moments with precision and eco-friendly energy!
The Renata 379 is a mercury-free, silver oxide button cell battery delivering a stable 1.55V and 16.0mAh capacity. Its compact 5.8mm diameter and 2.1mm height make it an exact replacement for SR521SW, ensuring reliable, long-lasting performance for your watch with trusted Swiss quality.








| Package Dimensions L x W x H | 10.6 x 5.6 x 2 centimetres |
| Package Weight | 0.02 Kilograms |
| Product Dimensions L x W x H | 10 x 10 x 10 millimetres |
| Item Weight | 9 g |
| Brand | Renata |
| Part number | PR\CL2198 |
| Guaranteed software updates until | unknown |
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