Watch Catalog

Casio module 5553

Quartz module. 5553 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 5553

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 SET flashes.
  2. Press C until the setting you want flashes: Home City, summer time, 12/24-hour format, seconds, hours, minutes, year, month, day, button tone, then light duration.
  3. On the 12/24-hour format, press D to choose 12H or 24H.
  4. On the seconds, press D to reset them to 00.
  5. On any other setting, press B or D to change it (hold for fast).
  6. Press A to leave the setting screen.

Good to know

Resetting the seconds between 30 and 59 adds one minute.

In 12-hour format, P marks p.m.

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

Press A in the Timekeeping Mode to switch the digital display between the day and date and the time.

From Casio's guide, page 9

Summer time

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

From Casio's guide, page 9

Home City

  1. In the Timekeeping Mode, hold A for at least two seconds and release it when SET flashes.
  2. Press B or D to choose your city (hold for fast).
  3. Press A to leave.

Good to know

To swap your Home City and the World Time city, press A and B together in the World Time Mode (WT).

From Casio's guide, page 8

Set an alarm

  1. Press C until the Alarm Mode shows (ALM, the last mode before the Timekeeping Mode).
  2. Press D until the alarm you want shows: AL1 to AL4, or SNZ (the snooze alarm).
  3. Hold A for at least two seconds and release it when the hour flashes.
  4. Press B or D to set the hour, then C to go to the minutes and B or D to set them.
  5. Press A to leave.
  6. To switch an alarm on or off, select it with D in the Alarm Mode and press A. ALM shows while any alarm is on.
  7. For the hourly signal, press D until SIG shows and press A to switch it on or off.

Good to know

In 12-hour format, mind a.m. or p.m.: P marks p.m.

An alarm sounds for 10 seconds; press any button to stop it. The snooze alarm sounds up to seven times, every five minutes, until you switch it off.

In the Alarm Mode, hold D to test the sound.

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

From Casio's guide, page 11

Realign the hands

  1. In the Timekeeping Mode, hold A for at least five seconds; release it when Sub flashes.
  2. If the stopwatch hand is not at 12 o'clock, press B or D to move it there (hold for fast).
  3. Press C: 0:00 shows. If the hour and minute hands are not at 12 o'clock, press B or D to move them there.
  4. 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 light the display.
  2. To change the duration: in the Timekeeping Mode hold A for at least two seconds until SET flashes, then press C 10 times until LIGHT shows.
  3. Press D to choose 1 (1.5 seconds) or 3 (three seconds), then A to leave.
  4. Auto Light (the display lights when you tilt the watch 40 degrees or more towards your face): in the Timekeeping Mode, hold B for at least three seconds to turn it on or off; LT shows while it is on.

Good to know

Auto Light turns itself off after about six hours.

The light goes off when an alarm sounds; Auto Light does not work while a beeper sounds.

From Casio's guide, page 7

Button beep

  1. In the Timekeeping Mode, hold A for at least two seconds and release it when SET flashes.
  2. Press C nine times: KEY♪ or MUTE flashes.
  3. Press D to choose KEY♪ (beep on) or MUTE (beep off), then A to leave.

Good to know

Alarm and timer tones still sound with the beep off.

From Casio's guide, page 15

Stopwatch

  1. Press C until the Stopwatch Mode shows (STW, the mode after the Timekeeping Mode).
  2. Press D to start, D to stop, and D again to carry on.
  3. When it is stopped, press A to reset it to zero.
  4. For a split time, press A while it runs (SPL shows); press A again to let the display catch up.

Good to know

It counts in 1/100 seconds up to 999 hours 59 minutes 59.99 seconds, then starts again from zero.

It keeps running when you leave the Stopwatch Mode; the stopwatch hand then shows the minutes.

From Casio's guide, page 13

Countdown timer

  1. Press C until the Timer Mode shows (TMR, after the Stopwatch Mode).
  2. If a countdown is running, press D to pause it, then A to reset it to the start time; if it is paused, press A.
  3. Hold A for at least two seconds and release it when the hours flash.
  4. Press B or D to set the hours; press C to go to the minutes and set them with B or D.
  5. Press A to leave.
  6. Press D to start, D to pause, D to carry on; when paused, press A to reset.

Good to know

The start time is up to 24 hours in one-minute steps; set 0:00 for 24 hours.

At zero a beeper sounds for 10 seconds; press any button to stop it.

From Casio's guide, page 13

Module 5553 specs

Type
quartz
Power
Approx. battery life: 3 years on SR927W X 2 · other watches that take SR927W x 2
Accuracy
±15 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 5553

Watches with the 5553