Experience reliable power with the Genuine Sony 379 SR521SW 1.5v Silver Oxide Coin Cell Watch Battery, designed to keep your low drain devices running smoothly. With a 10-year manufacturer warranty, these batteries are a steadfast choice for everyday use. Each battery delivers a consistent 1.5V output, perfect for keeping time accurately. Crafted in Japan, the SR521SW batteries utilise high-quality silver oxide technology, ensuring long-lasting performance. The batteries are also environmentally friendly, adhering to strict Japanese standards for battery disposal.
eBay