381/391 (SR1120) Watch Batteries

These button cells are 1.55V batteries, used chiefly in low-drain applications like simple wrist watches. They feature a large case, with a medium-high capacity. 381/391 batteries will replace cells with these numbers: 381, SR1120SW, SR55, RW30, D381, V381(533), 28027, SB-AS, 391, SR1120W, SR55W, RW40, D391, V391(553), 28030, SB-BS.

Silver oxide chemistry gives these batteries a typical capacity in the 50mAh range. The case measures 11.6mm x 2.05mm.

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  • Energizer 391 / 381 SR1120SW Watch Battery | 1 Pack

    Energizer

    £1.49
    With the hard work and dedication of Energizer scientists, Energizer has come up with a cell battery that simplifies watch’s battery range. Energizer is proud to introduce the Energizer 381 / 391 Watch Battery. This battery can safely replace...
    £1.49
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