395 / SR927SW battery equivalent

Also sold as SR927SW. 1.55 V with a flat discharge curve — the usual choice for quartz watches.

Chemistry

Silver oxide

Voltage

1.55 V

Size

9.5 × 2.7 mm

Inches

0.374 × 0.106 in

Drain

Low drain (SW)

Typical capacity

~55 mAh

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Equivalents by brand

Brand	Number
Renata	395
Energizer / Eveready	395
Maxell / Panasonic / Sony	SR927SW
Varta	V395
Rayovac	395
Duracell	D395
Bulova	610
Timex	LA
Citizen	280-48
Seiko	SB-AP/DP
IEC	SR57
IEC size	SR927

Also known as

SR927SWV395D395610LA280-48SB-AP/DPSB-APSB-DPSR57SR927SG7

What it fits

Larger analog watches. 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 SR927SW is about 9.5 mm across and 2.7 mm thick.

Same size, different drain

These cells share the 9.5 × 2.7 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 395?

Any of these are common equivalents: 395, SR927SW, V395, D395, 610, LA, 280-48, SB-AP/DP. They are 1.55 V silver oxide cells, 9.5 × 2.7 mm.

Is 395 the same as SR927SW?

Yes — SR927SW is the IEC / Japanese-brand name for the same 395 cell.

What devices use a 395?

Larger analog watches