Watch Catalog

Casio module 5663

Quartz module. 5663 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 5663

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, hold A for at least two seconds and release it when the Home City name shows: the hands move out of the way.
  2. Press C until the setting you want flashes. The order is Home City, summer time, 12/24-hour format, seconds, hours, minutes, year, month, day, then the button tone and the light duration.
  3. For the seconds, press D to reset them to 00. For the other settings, press B or D to change the flashing value; hold either to scroll fast.
  4. Repeat for each setting you want to change, then press A to finish.

Good to know

When you reset the seconds while they are between 30 and 59, 1 is added to the minutes.

For 12-hour or 24-hour format, press C twice after the Home City shows, then B or D to choose 12H or 24H.

With no operation for about two or three minutes, the watch leaves the setting screen by itself.

From Casio's guide, page 8

Summer time

  1. In the Timekeeping Mode, hold A for at least two seconds and release it when the Home City name shows.
  2. Press C: the summer time setting flashes.
  3. Press B or D to choose OFF (always standard time) or ON (always summer time).
  4. Press A to finish. DST shows while the watch is on summer time.

Good to know

The World Time city has its own summer time setting: in the World Time Mode, hold A for at least two seconds to toggle it, then press A to exit. It applies only to that city and cannot be set for UTC.

From Casio's guide, page 8

Home City

  1. In the Timekeeping Mode, hold A for at least two seconds and release it when the Home City name shows.
  2. Press B or D to change the Home City; hold either to scroll fast.
  3. Press A to finish, or press C to go on to the summer time setting.

Good to know

To see the Home City for about two seconds, press A in the Timekeeping Mode.

To check another city, press C to enter the World Time Mode and press D to pick one of 48 cities or UTC.

From Casio's guide, page 8

Set an alarm

  1. Press C until the Alarm Mode shows (ALM), after the World Time, Stopwatch and Timer Modes.
  2. Press D until the alarm you want shows, AL1 to AL5.
  3. Hold A for at least two seconds and release it when the hour digits flash.
  4. Press B or D to set the hour; P marks p.m. in 12-hour format.
  5. Press C: the minutes flash. Press B or D to set them.
  6. Press A to exit the setting screen.
  7. To switch an alarm on or off, display it with D in the Alarm Mode and press A: each press toggles ON and OFF.
  8. For the hourly signal, press D until SIG shows and press A to switch it on or off.

Good to know

An alarm sounds for 10 seconds; press any button to stop it.

ALM shows while any alarm is on, SIG while the hourly signal is on.

Hold C for at least three seconds to go back to the Timekeeping Mode from any mode.

From Casio's guide, page 10

Realign the hands

  1. In the Timekeeping Mode, hold A for at least five seconds. Release it when H.SET stops flashing and 0:00 starts to flash.
  2. If the hour and minute hands are not at 12 o'clock, press B or D to move them there.
  3. Press A to finish.

Good to know

Strong magnetism or a knock can make the hands differ from the digital time.

From Casio's guide, page 14

Light

  1. Press B to turn on the light.
  2. To choose how long it stays on: in the Timekeeping Mode, hold A for at least two seconds until the Home City shows, press C 10 times until LIGHT shows, press B or D to choose 1 (1.5 seconds) or 3 (three seconds), then press A.

Good to know

The light turns off by itself when an alarm starts to sound, and does not work while the hands move at high speed.

To move the hands out of the way of the display, press B and C together; press them together again to bring the hands back.

From Casio's guide, page 7

Button tone

  1. In the Timekeeping Mode, hold A for at least two seconds and release it when the Home City name shows.
  2. Press C nine times: KEY♪ or MUTE flashes.
  3. Press B or D to choose KEY♪ (tone on) or MUTE (tone off).
  4. Press A to exit the setting screen.

Good to know

Alarm and timer tones still sound while the button tone is muted. MUTE shows on the display while it is off.

From Casio's guide, page 14

Stopwatch

  1. Press C until the Stopwatch Mode shows (STW), after the World Time Mode.
  2. Press D to start, D to stop, D again to resume.
  3. For a split time, press A while it runs; press A again to release the split while timing goes on.
  4. For first and second place: press D to start, A when the first finisher crosses, D when the second finisher crosses, then A to show the second finisher's time.
  5. When it is stopped, press A to reset it to all zeros.

Good to know

It counts in 1/100 seconds for the first hour, then in seconds, up to 24 hours.

From Casio's guide, page 12

Timer

  1. Press C until the Timer Mode shows (TMR). If a countdown is running, press D to pause it and A to reset it to its start time.
  2. Hold A for at least two seconds and release it when the hour digits flash. Press B or D to set the hours.
  3. Press C: the minutes flash. Press B or D to set them.
  4. Press C: the seconds flash. Press B or D to set them, then press A to finish.
  5. Press D to start the countdown, D to pause, D again to resume. Press A to reset a paused countdown to its start time.
  6. When the countdown ends, a beeper sounds for 10 seconds; press any button to stop it.

Good to know

The start time can be set in 1-second steps up to 24 hours; 0:00 00 gives a 24-hour countdown.

From Casio's guide, page 13

Module 5663 specs

Type
quartz
Power
Approx. battery life: 3 years on CR1025 · other watches that take CR1025
Accuracy
±15 seconds per month
Functions
World time, Stopwatch, Timer, Alarm/hourly time signal, Light, Light color, Calendar, Mute feature, 12/24-hour format, Hand shift feature
Manual
Casio's operation guide for module 5663

Watches with the 5663