321 Battery Equivalent
Find equivalent codes, dimensions, voltage and chemistry for the 321 watch battery across major manufacturers including Renata, Sony, Maxell, Energizer, Varta and Duracell.
Equivalent Codes
| Brand | Equivalent |
|---|---|
| IEC | SR616SW |
| Renata | 321 |
| Sony | SR616SW |
| Maxell | SR616SW |
| Energizer | 321 |
| Varta | V321 |
| Duracell | D321 |
Where to buy 321
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Specifications
Diameter
6.8 mm
Height
1.6 mm
Voltage
1.55V
Chemistry
Silver Oxide (Low Drain)
Frequently Asked Questions
What is the equivalent of 321 battery?
321 is commonly equivalent to SR616SW, V321, D321.
What is the voltage of a 321 battery?
321 batteries use 1.55V silver oxide (low drain) chemistry.
What watches use a 321 battery?
Many quartz watches from Seiko, Citizen, Casio and other brands use the 321 (6.8×1.6mm) battery size.
Related Batteries
Need battery replacement?
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