Discover the reliable power source for your timepieces with the Sony SR521SW 379 LR521 AG0 SR63 Silver Oxide Watch Battery. Crafted in Japan, this battery is a staple for watch enthusiasts, ensuring your clocks and calendars function flawlessly. Its coin cell/button design is perfect for discreet and secure installation in a variety of devices.With a 10-year manufacturer warranty, this pack of five 1.55V batteries promises longevity and consistent performance. The chemical composition of silver oxide guarantees durability and efficiency, making them an ideal choice for keeping your watches ticking to perfection. The product's expiry date is set in 2028, ensuring a prolonged service life for your timekeeping needs.
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