


⏰ Power your moments with precision and eco-conscious confidence!
The SR521SW (379) Silver Oxide Watch Battery by Seiko Instruments delivers a stable 1.55V power source with zero mercury content, ensuring an environmentally safe and reliable energy solution. Engineered with advanced leakage resistance and produced in a high-precision clean room, this pack of five button cells offers long-lasting, contamination-free performance ideal for wristwatches.
| Brand | Seizaiken |
| Manufacturer | Seiko Instruments Inc. |
| Package Dimensions | 18.5 x 5 x 0.7 cm; 3 g |
| Compatible Devices | Watch |
| Voltage | 1.55 Volts |
| Power Source | battery powered |
| Battery Description | button cells |
| Batteries Required | No |
| Battery cell composition | Silver Oxide |
| Manufacturer | Seiko Instruments Inc. |
| Country of Origin | India |
| Item Weight | 3 g |
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