Baltrade.eu - B2B shop - 10 x Silver Mini Vinnic 379 / SR521SW / SR63 Battery
Amazon.com: Duracell 379 Silver Oxide Button Battery, 1 Count Pack, 379 1.5 Volt Battery, Long-Lasting for Watches, Medical Devices, Calculators, and More : Health & Household
Duracell D379BPK09 Silver Oxide Electronic Watch Battery, 379 Size, 1.55V, 14 mAh Capacity (Case of 6) - Walmart.com