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Module · Casio · digital module

Casio module 3239 manual and CR2025 battery

Casio's operation guide for module 3239: Casio operation guide 3239 (PDF) ↗. Casio module 3239 is a digital module by Casio, used in 1 Casio models. It runs on CR20251 for about 10 years1 and keeps time to ±30 s/month1.

Sources checked · How we source numbers
CR2025: drawing to scaleCR2025: diameter 20 mm, height 2.5 mm.Ø 20−+2.5CR2025
CR2025, the cell the Casio 3239 takesDrawing from data, not a photo · mm

Casio 3239 at a glance

Display
digital1derived
Power
battery1
Battery
CR20251
Battery life
10 years1
Accuracy
±30 s/month1
Light
backlight (light-emitting diode)1
World time
Yes1

New to the terms? Read quartz vs automatic or watch movement types.

Watches with module 3239

1 model in 1 family uses module 3239, with its battery, functions and manual[2].

Casio operation guide 3239 (PDF) ↗
The one model on module 3239 we have case sizes for, top view. W = case width, L = Casio case length, L2L = lug to lug, H = thickness. Drawn from the published sizes, not a photo.

Running the Casio 3239

Accuracy and battery figures for the Casio 3239, as Casio prints them.

Accuracy (maker)
±30 s/month1
Battery life
10 years1

Battery for the Casio 3239

  • CR2025[1]Sizes and equivalents of the CR2025 on its page

All Casio 3239 figures

Every figure we hold for the Casio 3239, with its source. Where sources disagree, each value is shown.

Accuracy and care

Accuracy (maker)
±30 s/month1

Power

Power source
battery1
Battery
CR20251
Battery life
10 years1

Module functions

Display
digital1derived
Light
backlight (light-emitting diode)1
Alarms
multi function · one time or 7 time snooze · hourly time signal1
Stopwatch
measuring unit 1/100 second · capacity 23:59'59.991
Dual time
Yes1

Not published yet

  • Hands and functions: not published
  • Radio time signal: not published
  • Operating temperature: not published by Casio
  • Power saving: not published

Casio 3239 questions

Where is the manual for Casio module 3239?

Casio publishes the operation guide for module 3239 as a PDF: Casio operation guide 3239. The number 3239 is stamped on the case back of every watch built on it.

What battery does the Casio module 3239 take?

The Casio module 3239 takes CR2025; Casio gives 10 years of life.

Source [1]

Which watches use Casio module 3239?

1 Casio model in Casio’s manual search use module 3239, in the W-96 family.

More on movements

Sources

Documents checked · Report a wrong number

  1. 1Casio Computer Co., Ltd. — Operation Guide 3239/3240 (qw3239_EN.pdf) · pdf · read
  2. 2Casio Computer Co., Ltd. — Watch manual search JSON (US locale), manual_search.support.json · json · read