Watch Battery Renata 381 is a silver oxide low drain battery 1.55 V. Watch Battery 381 measures 11.6X2.1mm. Renata 381 has a capacity of 50 mAh. Renata Switzerland is a leading manufacturer of premium button cells for watches and many electronic products.

Interchange: Energizer 381, Maxell SR1120SW, Varta V381, Rayovac 381, Duracell D381/391, Citizen 280-27, Seiko SB-AS/DS, I.E.C SR1121 (SR55).