Silver oxide low drain battery 1.55 V. Watch Battery 319 measures 5.8X2.7mm. This battery is mercury free and has a capacity of 21 mAh. Must purchase in increments of 5.
Interchange: Energizer 319, Renata 319, Varta V319, Rayovac 319, Duracell D319, Citizen 280-60, Seiko SB-AE/DE, I.E.C SR527 (SR64)
Energizer batteries