Renata 379 SR521SW Silver Oxide Watch Battery Long Life, Swiss Made (AG0, LR521)

Renata 379 / SR521SW / SG0 Silver Oxide Watch Batteries. Also replaces AG0, G0, 179, LR521, LR63. Renata Long Life Silver Oxide Watch Battery. Swiss-made by Renata, part of the Swatch Group. 379 battery is also known as SR521W, SR521, SG0, V379, D379, SR63.

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