Watch Catalog

Casio module 3299

Quartz module. 3299 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 3299

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 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

Resetting the seconds between 30 and 59 adds one minute.

Only the Home City Time (T-1) can have its time changed; the Local Times T-2 to T-4 follow it.

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 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 flash.
  3. Press C twice to reach the city code.
  4. Press D to move east or B to move west through the city codes.
  5. Press A to leave.

Good to know

To swap a Local Time (T-2 to T-4) in as the new Home City Time, show it with D 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 one of the five alarms.
  3. Hold A until the hour flashes; this switches on a one-time alarm.
  4. Press D or B to set the hour, press C to move to the minutes, D or B again.
  5. Press C once more and press D to choose one-time or daily.
  6. Press A to leave.

Good to know

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

In 12-hour format, watch the PM indicator when setting the hour.

From Casio's guide, page E-20

Light

  1. Press B in any mode (except on a setting screen) to light the display.
  2. To change the duration: show the Home City Time (T-1), hold A until the seconds flash, then press C until the light duration setting flashes (the last one).
  3. Press D to switch between 1.5 seconds and 3 seconds.
  4. Press A to leave.

Good to know

The light turns off by itself whenever an alarm sounds.

From Casio's guide, page E-15

Button beep

  1. In any mode (except on a setting screen), hold C.
  2. The beep toggles: MUTE shows while it is off.
  3. Holding C also changes the current mode.

Good to know

Alarms, the hourly signal and the timer 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 (+) or B (-) to change each.
  4. Press A to leave the setting screen.
  5. Press D to start; press D again to pause and resume.
  6. To reset, pause with D and then press A.

Good to know

The timer runs from one second to 24 hours and beeps for ten seconds at zero.

From Casio's guide, page E-26

Module 3299 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 3299

Watches with the 3299