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Module · Casio · digital module

Casio module 3198

Casio module 3198 is a digital module by Casio, used in 3 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 3198 takesDrawing from data, not a photo · mm

Casio 3198 at a glance

Display
digital1derived
Power
battery1
Battery
CR20251
Battery life
10 years1
Accuracy
±30 s/month1
Light
LED, selectable duration1
World time
48 cities, 31 time zones1

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

Watches with module 3198

3 models in 2 families share module 3198, so they share its battery, functions and manual[2].

The one model on module 3198 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.
  • AE-10002 modelsAE-1000W · AE-1000WD
  • AE-21001 modelAE-2100W

Running the Casio 3198

Accuracy and battery figures for the Casio 3198, as Casio prints them.

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

Battery for the Casio 3198

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

All Casio 3198 figures

Every figure we hold for the Casio 3198, 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
LED, selectable duration1
Alarms
5 alarms (one-time or daily), hourly time signal1
Countdown timer
1 second to 24 hours1
Stopwatch
1/100 s; capacity 23:59'59.991
World time
48 cities, 31 time zones1

Not published yet

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

Casio 3198 questions

Where is the manual for Casio module 3198?

Casio publishes the operation guide for module 3198 as a PDF: Casio operation guide 3198. The number 3198 is stamped on the case back of every watch built on it.

What battery does the Casio module 3198 take?

The Casio module 3198 takes CR2025; Casio gives 10 years of life.

Source [1]

Which watches use Casio module 3198?

3 Casio models in Casio’s manual search use module 3198, in the AE-1000, AE-2100 families.

Sources

Documents checked · Report a wrong number

  1. 1Casio Computer Co., Ltd. — Operation guide, module 3198 (qw3198_EN.pdf) · pdf · read
  2. 2Casio Computer Co., Ltd. — Watch manual search JSON (US locale), manual_search.support.json · json · read