Skip to content
WatchtheDetails

Citizen watch · Brycen · solar quartz

Citizen Brycen AT2587-02E

The Citizen AT2587 measures 44.8 mm across. The Citizen AT2587 runs on a rechargeable MT621 that the watch charges itself. A silver oxide SR621SW is the same size but must not be fitted in its place; check any swap in the battery swap checker.

Sources checked · How we source numbers
Case
44.8 mm2
Lug to lug
not published by Citizen
Thickness
not published by Citizen
Lug width
not published by Citizen
Citizen AT2587: size drawingCitizen AT2587, round case, top and side view to scale: case diameter 44.8 mm, lug to lug — (unknown), lug width — (unknown), thickness — (unknown). Bezel, dial and crown size are schematic.Ø 44.8lug to lug —TOPthickness —
Citizen AT2587, top and side, to scaleDrawing from data, not a photo · mm

Citizen AT2587 specifications

Case diameter
44.8 mm2
Lug to lug
not published by Citizen
Thickness
not published by Citizen
Lug width
not published by Citizen
Crystal
Mineral Crystal2
Water resistance
WR100/10Bar/333ft [Swimming, Showering & Snorkeling]2
Movement
Citizen H500 (Eco-Drive)2 · solar quartzCitizen H500 (Eco-Drive) specs
Battery
Years made
20252
Case code
not in our data yet
Line
Brycen2

On your wrist

No lug-to-lug or case length is published for the Citizen AT2587, so there is no fit verdict yet.

Actual size on your screen

Calibrate once with a bank card and the drawing shows the Citizen AT2587 at 1:1, next to a millimetre ruler.

1:1 · not calibrated: sizes are approximate
Citizen AT2587: size drawingCitizen AT2587, round case, top and side view to scale: case diameter 44.8 mm, lug to lug — (unknown), lug width — (unknown), thickness — (unknown). Bezel, dial and crown size are schematic.Ø 44.8lug to lug —TOPthickness —
Drawing from data, not a photo · mm
01020304050

Citizen AT2587 strap size

Citizen publishes no lug width for the Citizen AT2587. Measure between the lugs with a caliper before buying a third-party strap.

Attachment: not published in our sources.

Find your strap length in the watch strap size tool.

On a bracelet? How to remove watch links to size it to your wrist.

Movement: Citizen H500 (Eco-Drive)

The Citizen AT2587 runs on the Citizen H500 (Eco-Drive), a solar quartz movement.

Battery life
5 months3
Accuracy
±15 s/month3

Battery

Citizen AT2587 questions

What battery does the Citizen AT2587 take?

The Citizen AT2587 takes MT621.

Can I fit a regular battery in the Citizen AT2587 instead of the MT621?

The Citizen AT2587 runs on a rechargeable MT621 that the watch charges itself. A silver oxide SR621SW is the same size but must not be fitted in its place; check any swap in the battery swap checker.

What movement is in the Citizen AT2587?

The Citizen AT2587 runs on the Citizen H500 (Eco-Drive), a solar quartz movement.

Sources

Documents checked · Report a wrong number

  1. 1Citizen Watch US — Battery Information (model / caliber / battery table) · html · read
  2. 2Citizen Watch US — Brycen Black Dial Silicone Strap AT2587-02E · html · read
  3. 3Citizen Watch Co. — Instruction manual, H50* · pdf · read