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Casio module 5445 manual

Casio's operation guide for module 5445: Casio operation guide 5445 (PDF) ↗. Casio module 5445 is a digital module by Casio, used in 13 Casio models. It keeps time to ±15 s/month1.

Sources checked · How we source numbers

Casio 5445 at a glance

Display
digital1derived
Power
solar1
Battery life
8 months1
Accuracy
±15 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 5445

13 models in 3 families share module 5445, so they share its battery, functions and manual[2].

Casio operation guide 5445 (PDF) ↗
  • GAS-1008 modelsGAS-100 · GAS-100AR · GAS-100B · GAS-100BL · GAS-100BNR · GAS-100BR · GAS-100CT · GAS-100G
  • GST-S1103 modelsGST-S110 · GST-S110BD · GST-S110D
  • GST-S1002 modelsGST-S100D · GST-S100G

Running the Casio 5445

Accuracy and battery figures for the Casio 5445, as Casio prints them.

Accuracy (maker)
±15 s/month1
Battery life
8 months1

Battery for the Casio 5445

The battery of the Casio 5445 is not published by Casio.

All Casio 5445 figures

Every figure we hold for the Casio 5445, with its source. Where sources disagree, each value is shown.

Accuracy and care

Accuracy (maker)
±15 s/month1

Power

Power source
solar1
Battery life
8 months1

Module functions

Display
digital1derived
Light
LED, selectable duration1
Alarms
5 daily alarms, hourly time signal1
Countdown timer
up to 100 minutes1
Stopwatch
1/100 s; capacity 59'59.991
World time
48 cities, 31 time zones1

Not published yet

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

Casio 5445 questions

Where is the manual for Casio module 5445?

Casio publishes the operation guide for module 5445 as a PDF: Casio operation guide 5445. The number 5445 is stamped on the case back of every watch built on it.

Which watches use Casio module 5445?

13 Casio models in Casio’s manual search use module 5445, in the GAS-100, GST-S110, GST-S100 families.

More on movements

Sources

Documents checked · Report a wrong number

  1. 1Casio Computer Co., Ltd. — Operation guide, module 5445 (qw5445_EN.pdf) · pdf · read
  2. 2Casio Computer Co., Ltd. — Watch manual search JSON (US locale), manual_search.support.json · json · read