Watch Catalog

Casio module 5612

Quartz module. 5612 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 5612

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 three seconds until the city code flashes.
  2. Press C to step through the settings: city code, DST, 12/24-hour format, seconds, hour, minutes, year, month, day, light duration.
  3. On the seconds, press D to reset them to 00.
  4. On the hour, minutes, year, month or day, press D to go up and B to go down.
  5. On the 12/24-hour format, press D to switch.
  6. Press A to leave the setting mode.

Good to know

Select the Home City before changing any other setting.

The hands follow the digital time on their own; 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, hold A for at least three seconds until the city code flashes.
  2. Press C once to show the DST setting.
  3. Press D to switch between on and OFF.
  4. Press A to leave. The DST indicator shows while summer time is on.

From Casio's guide, page E-12

Home City

  1. In the Timekeeping Mode, hold A for at least three seconds until the city code flashes.
  2. Press D (east) or B (west) to pick your city code.
  3. Press A to leave the setting mode.

Good to know

In the World Time Mode, hold A and B until the watch beeps to swap the Home City with the selected World Time city.

From Casio's guide, page E-9

Set an alarm

  1. Press C until the Alarm Mode shows.
  2. Press D to pick AL1 to AL4 (daily alarms) or SNZ (snooze alarm).
  3. Hold A for at least three seconds until the hour flashes; the alarm switches on.
  4. Press D to go up and B to go down; press C to move between hour and minutes.
  5. Press A to leave the setting mode.

Good to know

In the Alarm Mode, press A on an alarm or on SIG (hourly signal) to turn it on or off.

The alarm sounds for 10 seconds; the snooze alarm repeats every five minutes, seven times in all.

From Casio's guide, page E-35

Realign the hands

  1. In the Timekeeping Mode, hold D for at least three seconds until Sub flashes.
  2. If the speed hand is not at 50 (12 o'clock), press D to move it there.
  3. Press C.
  4. Use D (clockwise) and B (counterclockwise) until the hour and minute hands both point at 12 o'clock.
  5. Press A to return to timekeeping; the hands move to the current time.

Good to know

Strong magnetism or impact can throw the hands off the digital time.

From Casio's guide, page E-44

Light

  1. Press B in any mode to light the face.
  2. To turn the auto light switch on or off, hold B for at least three seconds in the Timekeeping Mode.
  3. To change the duration: in the Timekeeping Mode hold A until the display flashes, press C nine times, press D to pick LT1 (1.5 seconds) or LT3 (3 seconds), then press A.

Good to know

The auto light switch turns itself off about six hours after you turn it on.

From Casio's guide, page E-39

Stopwatch

  1. Press C until the Stopwatch Mode shows.
  2. With the stopwatch reset, press A to choose LAP (lap times) or SPL (split times). Pick SPL for plain elapsed time.
  3. Press D to start, D to stop, and D again to carry on.
  4. While it runs, press A to take a lap or split reading.
  5. When it is stopped, press A to reset it to zero.

Good to know

It counts up to 99 hours 59 minutes 59.999 seconds, then restarts from zero.

With a distance value set (hold A for three seconds while reset), the watch also shows speed.

From Casio's guide, page E-20

Countdown timer

  1. Press C until the Countdown Timer Mode shows.
  2. Hold A for at least three seconds until the hours flash.
  3. Press C to move through hours, minutes and auto-repeat; use D (+) and B (-) to set the time, D to switch auto-repeat.
  4. Press A to leave the setting mode.
  5. Press D to start, pause and resume the countdown.
  6. To reset it to the start time, pause it and press A.

Good to know

The start time can be one minute to 24 hours. At zero the alarm sounds for 10 seconds.

From Casio's guide, page E-27

Module 5612 specs

Type
quartz
Power
Approx. battery life: 2 years on CR1220 · other watches that take CR1220
Accuracy
±15 seconds per month
Functions
World time, Stopwatch, Timer, Alarm/hourly time signal, Light, Light color, Calendar, 12/24-hour format
Manual
Casio's operation guide for module 5612

Watches with the 5612