376 / SR626W battery equivalent

Also sold as SR626W. 1.55 V with a flat discharge curve — the usual choice for quartz watches.

Chemistry

Silver oxide

Voltage

1.55 V

Size

6.8 × 2.6 mm

Inches

0.268 × 0.102 in

Drain

High drain (W)

Typical capacity

~26 mAh

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Equivalents by brand

Brand	Number
Renata	376
Energizer / Eveready	376
Maxell / Panasonic / Sony	SR626W
Rayovac	376
Duracell	D376
Bulova	619
Timex	MA
IEC	SR66
IEC size	SR626

Also known as

SR626WD376619MASR66SR626AG4

What it fits

Watches with extra features that fit a 377-size cell. Confirm the printed number or measure the old cell before you buy — a 0.5 mm height difference will not seat correctly.

IEC names encode chemistry and size. SR is silver oxide, LR is alkaline, and CR is 3 V lithium. The digits are diameter and height in tenths of a millimeter, so SR626W is about 6.8 mm across and 2.6 mm thick.

Same size, different drain

These cells share the 6.8 × 2.6 mm can. Low-drain (SW) is for simple analog watches. High-drain (W) handles lights, alarms, and chronographs. A modern multi-drain cell can usually cover both.

FAQ

What battery replaces a 376?

Any of these are common equivalents: 376, SR626W, D376, 619, MA, SR66, SR626, AG4. They are 1.55 V silver oxide cells, 6.8 × 2.6 mm.

Is 376 the same as SR626W?

Yes — SR626W is the IEC / Japanese-brand name for the same 376 cell.

What devices use a 376?

Watches with extra features that fit a 377-size cell