Battery

SR920W

1.55V silver oxide button cell

Chemistry: silver_oxide
Voltage: 1.55 V
Diameter: 9.5 mm
Thickness: 2.1 mm
Used by: 21 devices

Common uses: Watches · Ana-digi watches

SR920W 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.

371 · SR920SW · SR920 · D371 · V371

Related codes

Same battery / other names

SR920W371

Also sold as

Common retail/watch-trade label

SR920WSR920

Same battery

Same cell family designation

SR920WSR920SW

Also sold as

Common silver-oxide designation variant

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 SR920W

2 / 21

All (21)Watches (21)Seiko (10)Orient (9)Casio (2)

Used in

Watches21 devices

Brands: Seiko · Orient · Casio

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Notes

371 is a common retail/watch-trade label. Keep distinct from alkaline near-sizes.