Get more info on the 319 battery. Used in watches, toys, calculators, remotes and more! Reliable power for watches, toys, glucose monitors and calculators Cell size: 319 Type: Silver Oxide Volt: 1.5 Replacement for: 280-60, D319, SB-AE, SB-DE, SR 527 SW, SR 64, SR64, SR527SW, TR527SW Zero mercury.