Battery

SR936SW

1.55V silver oxide button cell

D394 is a pack label for SR936SW — same battery, different name on the package.

Chemistry: silver_oxide
Voltage: 1.55 V
Diameter: 9.5 mm
Thickness: 3.6 mm
Used by: 2 devices

Common uses: Chronograph watches

SR936SW Diagram

Brand-neutral outline — confirm the tray in your device.

Other names

Genuine aliases and pack labels for this battery — not substitutes of a different chemistry.

394 · SR936W · D394 · V394 · SR936

Related codes

No related codes listed yet.

Rechargeables are not equivalents

Do not substitute a rechargeable cell unless the device documentation explicitly allows it. Silver-oxide and lookalike chemistries are not interchangeable with rechargeables by size alone.

Size family

Edge thickness in the 9.5 mm family — thicker bar means thicker cell. Not to scale. Highlighted cell is this page.

SR916SW

1.65 mm

SR920W

2.1 mm

SR936SW

3.6 mm

Devices using SR936SW

All (2)Watches (2)Seiko (2)

Used in

Watches2 devices

Brands: Seiko

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Notes

Seiko SB-A4 family (e.g. 8T63).