Watch Catalog

Casio module 3553

Solar powered module. 3553 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 3553

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 E for at least two seconds and release it when the Home City name shows.
  2. Press D until the seconds flash; each press of D moves on through Home City, summer time, 12/24-hour, seconds, hours, minutes, year, month and day.
  3. On the seconds, press A to reset them to 00.
  4. On any other setting, use A and C to change it (hold for fast).
  5. Press E twice to finish.
  6. To switch between 12-hour and 24-hour format: hold E until the Home City name shows, press D twice until 12H or 24H flashes, press A to toggle, then press E twice.

Good to know

The watch sets itself from a radio time signal; set it by hand when signal reception is not possible.

Set the Home City before setting the time and date.

To receive the time signal now: put the watch near a window, press D until the Receive Mode (RCV) shows, then hold A for at least two seconds until the receive indicator flashes.

Resetting the seconds between 30 and 59 adds one minute.

P shows for p.m. times in 12-hour format.

From Casio's guide, page 13

Summer time

  1. In the Timekeeping Mode, hold E for at least two seconds and release it when the Home City name shows.
  2. Press D.
  3. Press A to cycle through AUTO (switches by itself), OFF (always standard time) and ON (always summer time).
  4. Press E twice to finish.

Good to know

AUTO works only when the Home City is in an area where a time signal can be received.

DST shows while the watch is on summer time.

A World Time city has its own summer time setting: in the World Time Mode, hold E for about two seconds to change it.

From Casio's guide, page 13

Home City

  1. In the Timekeeping Mode, hold E for at least two seconds and release it when the Home City name shows.
  2. Use A and C to change the Home City (hold for fast).
  3. Press E twice to finish, or press D first to set its summer time.

Good to know

The watch needs the right Home City to set itself correctly from a time signal.

From Casio's guide, page 13

Set an alarm

  1. Press D until the Alarm Mode (ALM) shows.
  2. Use A and C to choose an alarm: AL-1 to AL-4, or SNZ for the snooze alarm.
  3. Hold E for at least two seconds and release it when the hour digits flash.
  4. Use A and C to set the hour (in 12-hour format, P marks p.m.).
  5. Press D: the minute digits flash. Use A and C to set the minutes.
  6. Press E to finish.
  7. To switch an alarm on or off, show it with A or C in the Alarm Mode and press B.
  8. For the hourly time signal, press A or C until SIG shows and press B to switch it on or off.
  9. Hold D for at least two seconds to go back to the Timekeeping Mode.

Good to know

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

The snooze alarm sounds up to seven times, every five minutes; to cancel it, turn SNZ off.

The alarm indicator shows while any alarm is on.

Alarms do not sound when battery power is low or at Level 2 power saving.

From Casio's guide, page 15

Light

  1. Press L to light the face.
  2. To switch Auto Light on or off, hold L for at least three seconds in the Timekeeping Mode; LT shows while it is on.
  3. To change how long the light stays on: hold E until the Home City name shows, press D 10 times until LIGHT shows, press A to choose 1 (1.5 seconds) or 3 (three seconds), then press E twice.

Good to know

With Auto Light on, the face lights up when you tilt the watch towards you at 40 degrees or more; it may not work properly when the watch is held 15 degrees or more off horizontal.

Auto Light does not work while a beeper sounds, in the Compass Mode, during signal reception, while sunrise and sunset times are being worked out, or while CHG shows.

The light goes off if an alarm starts, does not come on during signal reception, and may not come on while a sensor takes a reading.

From Casio's guide, page 9

Button tone

  1. In the Timekeeping Mode, hold E for at least two seconds and release it when the Home City name shows.
  2. Press D nine times: key or MUTE flashes.
  3. Press A to choose key (tone on) or MUTE (tone off).
  4. Press E twice to finish.

Good to know

An indicator shows while the button tone is muted.

Alarm and timer tones still sound when the button tone is muted.

From Casio's guide, page 33

Stopwatch

  1. Press D until the Stopwatch Mode (STW) shows.
  2. Press A to start, A to stop, and A again to carry on.
  3. When it is stopped, press C to reset it to zero.
  4. For a split time, press C while it runs; press C again to release it.
  5. For two finishers: start with A, press C when the first finishes and A when the second finishes, then C to see the second time and C again to reset.
  6. Hold D for at least two seconds to go back to the Timekeeping Mode.

Good to know

It counts in 1/10 seconds up to 999 hours 59 minutes 59.9 seconds.

From Casio's guide, page 31

Countdown timer

  1. Press D until the Timer Mode (TMR) shows.
  2. Hold E for at least two seconds and release it when the hour setting flashes.
  3. Use A and C to set the hours (hold for fast).
  4. Press D: the minute digits flash. Use A and C to set the minutes.
  5. Press E to finish.
  6. Press A to start; press A again to pause and resume. When it is paused, press C to go back to the start time.
  7. Hold D for at least two seconds to go back to the Timekeeping Mode.

Good to know

The start time is set in 1-minute steps up to 24 hours; 0H00'00 counts down 24 hours.

At zero it sounds for 10 seconds; press any button to stop it. It does not sound when battery power is low.

From Casio's guide, page 32

Module 3553 specs

Type
solar
Power
Tough Solar (Solar powered)
Accuracy
±15 seconds per month (with no signal calibration)
Functions
World time, Sunrise/sunset display, Stopwatch, Timer, Alarm/hourly time signal, Light, Light color, Calendar, Mute feature, Energy saving feature, Battery display/alert, Run time, 12/24-hour format, Duplex LC display, Time adjustment details
Manual
Casio's operation guide for module 3553

Watches with the 3553