Energizer Watch Battery 1.5 Volt Silver SKU: 278760 MODEL: 379Z Error. try again later You've successfully joined the club $ 3 .78 each Available on orders $50 to $1500. More info × Mitre 10 SAvailable at selected stores. Check your local store for details Variants 379 battery, 1.5 Volt. Features and benefits A variety of watches, toys, glucose monitors and calculators use the 379 battery. Silver Oxide.