321 (SR616) Watch Batteries

The 321 battery is a button cell manufactured with silver oxide chemistry. It is a mid-size, mid-capacity cell used in watches from many manufacturers. Batteries the 321 replaces include the SR616SW, SR65, RW321, D321, V321(540), 28073, SB-AF/DF and SR616.

These 1.55V batteries have a case that measures 6.8mm in diameter x 1.6mm in height. Their capacity is normally about 15mAh.

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  • Energizer 321 SR616 SR616SW Watch Battery | 1 Pack


    Energizer 321 SR616 SR616SW Watch Battery is a perfect replacement cell for your Fossil watch and many other watches. This battery exhibits a flat operating voltage that is typically higher than that of an old fashioned mercuric oxide battery. It also...
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