Manufactured in Switzerland, these batteries have an expiration date set in 2023, providing you with a safeguard of availability for your current and future power needs. RENATA SILVER OXIDE WATCH BATTERIES.
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Battery size: 379 / SR521SW. Chemistry: Silver Oxide. Tip: Check your existing battery code or watch manual before ordering. Peace of mind.
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Pick the size needed from the drop-down above! "The ONLY Watch Battery in the world made by a watch manufacturer!" These are ORIGINAL Seiko batteries as supplied by the watchmaker, and as fitted to the watch at the factory. Do not be confused with Seizaiken made by Seiko Manufacturing Inc, Japan, this is a different company. Manufactured by Seiko in Japan.
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EUNICELL AG0 BUTTON/COIN WATCH BATTERIES. SR521SW, SR63, SR521, SB-AC/DC, 280-59, JA, V379, D379, 618, GP379, S521E, 379, LR521, AG0, 379A, 379X, AG0, AG-0, 521A, UC379, SR418SW, SB-AC, 379LD, E379. Shelf Life.
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Also known as 379, SR521SW, D379, V379, V520, 280-59, GP379, SR63, AG0, 618 & JA. 1 x Renata SR521SW (379) 1.55v Silver Oxide Batteries (1 Battery).
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Renata coin batteries come with over 40 different watch battery types. RENATA has first-hand knowledge of what a high-quality watch battery must stand for. .
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Seizaiken by Seiko Watch Batteries – All Sizes | 1.55v Silver Oxide | Made in Japan | SR Series. Our full Seizaiken by Seiko range includes popular Silver Oxide (SR series) sizes, so you can choose the exact battery your watch requires from the options above.
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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.
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