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⏱️ Power your moments with Swiss precision — never miss a beat!
The Renata #399 (SR927W) Silver Oxide Watch Battery 5-pack offers reliable 1.55V power with superior dimensional stability and low self-discharge. Swiss-made for premium watch brands like Swatch, Fossil, Timex, and Casio, these batteries ensure long-lasting, precise performance across a wide temperature range. Compact and lightweight, they provide an optimized capacity-to-size ratio, making them the trusted choice for maintaining your valuable timepieces.














| ASIN | B0084E91UE |
| Antenna Location | Watch |
| Battery Capacity | 3 volts |
| Battery Cell Composition | Silver Oxide |
| Battery Cell Type | Silver Oxide |
| Battery Weight | 4 g |
| Best Sellers Rank | #26,129 in Health & Household ( See Top 100 in Health & Household ) #198 in Coin & Button Cell Batteries |
| Brand | Renata |
| Compatible Phone Models | Watch |
| Customer Reviews | 4.6 out of 5 stars 2,402 Reviews |
| Item Dimensions | 6 x 2.5 x 0.3 inches |
| Item Weight | 4 g |
| Manufacturer | Renata |
| Model Name | Renata |
| Model Number | 399 |
| Number of Batteries | 1 LR44 batteries required. (included) |
| Recommended Uses For Product | Watch |
| Reusability | Single Use |
| UPC | 785618369410 784922286581 |
| Unit Count | 5 Count |
| Voltage | 1.55 volts |
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