Silver oxide low drain battery 1.55 V. Watch Battery SR716SW measures 7.9 x 1.6mm. This battery is mercury free and has a capacity of 19 mAh. Must purchase in increments of 5.
Interchange: Energizer 315, Maxell SR716SW, Varta V315, Rayovac 315, Timex HA, Citizen 280-56, Seiko SB-AT, I.E.C SR716 (SR67).
Energizer batteries