Battery

SR616SW

1.55V silver oxide button cell

Chemistry: silver_oxide
Voltage: 1.55 V
Diameter: 6.8 mm
Thickness: 1.65 mm
Used by: 4 devices

Common uses: Thin watches

SR616SW 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.

321 · SR616W · D321 · V321 · SR616

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 6.8 mm family — thicker bar means thicker cell. Not to scale. Highlighted cell is this page.

1.65 mm

2.15 mm

2.15 mm

2.6 mm

2.6 mm

Device-specific caveats

From manufacturer-backed notes on devices that use SR616SW — not generic advice.

Eco-Drive and other rechargeable cells (MT*, CTL*, SLB*, …) are excluded from this disposable CR/SR publish set.

Devices using SR616SW

2 / 4

All (4)Watches (4)Seiko (2)Citizen (2)

Used in

Watches4 devices

Brands: Seiko · Citizen

Learn more

Need one?

Need a SR616SW?

Search Amazon for packs of this battery code.

Buy on Amazon Amazon UK

Buy links go to Amazon (Associates where tagged) or other affiliate programmes when available. They never change the battery answer.

Notes

Seiko SB-AF family.