Button Cell Battery, 15mAh, Silver Oxide
From Amazon
VARTA 203 V 379 Watch Cell Battery
Conrad Electronic
Varta Button cell SR63, SR521 1.55 V 1 pc(s) 15 mAh Silver oxide SILVER Coin V379/SR63 Bli 1
BatteryUpgrade
Varta V379 / SR63 / 379 Coin cell battery (Amount 1)