Watch Catalog

Casio module 3198

Quartz module. 3198 is the number engraved on the caseback of these watches, and Casio files its operation manual under it. 1 watch in the catalog runs on it.

How to operate module 3198

Short steps in our words. The buttons are lettered as in Casio's operation guide, where each task's page is given.

Set the time and date

  1. In the Timekeeping Mode, press D until the Home City Time (T-1) screen shows.
  2. Hold A until the seconds start to flash.
  3. Press C to step through the settings: seconds, DST, city code, hour, minutes, 12/24-hour format, year, month, day, then light duration.
  4. On the seconds, press D to reset them to 00.
  5. On the hour, minutes, year, month or day, press D to go up and B to go down.
  6. On the 12/24-hour format, press D to switch.
  7. Press A to leave the setting screen.

Good to know

Only the Home City Time (T-1) can be set; the Local Times T-2 to T-4 follow it.

Resetting the seconds between 30 and 59 adds one minute.

From Casio's guide, page E-9

Daylight saving time

  1. In the Timekeeping Mode, press D until the Home City Time (T-1) screen shows.
  2. Hold A until the seconds start to flash.
  3. Press C once to reach the DST setting.
  4. Press D to switch between summer time and standard time.
  5. Press A to leave. The DST indicator shows while summer time is on.

Good to know

Summer time moves the time one hour ahead of standard time.

From Casio's guide, page E-12

Home City

  1. In the Timekeeping Mode, press D until the Home City Time (T-1) screen shows.
  2. Hold A until the seconds start to flash.
  3. Press C twice to reach the city code.
  4. Press D to move east and B to move west through the city codes.
  5. Press A to leave.

Good to know

To make a Local Time or World Time city your new Home City, show it and press A and B together.

From Casio's guide, page E-9

Set an alarm

  1. Press C until the Alarm Mode shows.
  2. Press D to pick the alarm number.
  3. Hold A until the hour starts to flash; this also turns the alarm on as a one-time alarm.
  4. Press D or B to set the hour, press C to move to the minutes, then D or B again.
  5. Press C once more and press D to choose a one-time or daily alarm.
  6. Press A to leave.

Good to know

In the Alarm Mode, press A on an alarm to cycle it between off, one-time and daily; hold D to test the sound.

In 12-hour format, check the PM indicator so the alarm is set for the right half of the day.

From Casio's guide, page E-20

Light

  1. Press B in any mode to light the display (not while a setting screen is shown).
  2. To change the duration: on the Home City Time (T-1) screen, hold A until the seconds flash, then press C nine times.
  3. Press D to switch between 1.5 seconds and 3 seconds.
  4. Press A to leave.

From Casio's guide, page E-15

Button beep

  1. Make sure no setting screen is on the display.
  2. Hold C to switch the button beep on or off.
  3. The MUTE indicator shows in all modes while the beep is off.

Good to know

Holding C also changes the mode.

Alarms, the hourly signal and the countdown alarm still sound with the beep off.

From Casio's guide, page E-32

Countdown timer

  1. Press C until the Countdown Timer Mode shows.
  2. Hold A until the start time flashes.
  3. Press C to move between hours, minutes and seconds, and use D (+) and B (-) to set them.
  4. Press A to leave the setting screen.
  5. Press D to start, D again to pause and resume; while paused, press A to go back to the start time.

Good to know

The timer runs from one second to 24 hours; the alarm sounds for ten seconds at zero or until you press any button.

From Casio's guide, page E-26

Module 3198 specs

Type
quartz
Power
Approx. battery life: 10 years on CR2025 · other watches that take CR2025
Accuracy
±30 seconds per month
Functions
World time, Stopwatch, Timer, Alarm/hourly time signal, Light, Light color, Calendar, Mute feature, 12/24-hour format
Manual
Casio's operation guide for module 3198

Watches with the 3198