Watch Catalog

Casio module 4334

Quartz module. 4334 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 4334

Short steps in our words. The buttons are lettered as in Casio's operation guide, where each task's page is given.

Set the digital time and date

  1. In the Timekeeping Mode, hold A until the seconds flash.
  2. Press C to step through the settings: seconds, DST, UTC differential, hour, minutes, 12/24-hour format, year, month, day, temperature sensor calibration, then temperature unit.
  3. Set the UTC differential for your Home Time first, before the other settings.
  4. On the seconds, press D to reset them to 00.
  5. On the UTC differential, hour, minutes, year, month or day, press D to go up and B to go down.
  6. On the DST or the 12/24-hour format, press D to switch it.
  7. Press A to exit the setting screen.

Good to know

Resetting the seconds between 30 and 59 adds one minute.

In 12-hour format, A marks a.m. and P marks p.m.

The day of the week follows the date by itself. The year runs from 2000 to 2099.

The analog hands are set separately, in the Hand Setting Mode.

From Casio's guide, page 1

Summer time

  1. In the Timekeeping Mode, hold A until the seconds flash.
  2. Press C once to show the DST setting.
  3. Press D to switch between summer time (ON) and standard time (OF).
  4. Press A to exit the setting screen.

Good to know

The DST indicator shows on the Timekeeping, Alarm and Hand Setting Mode screens while summer time is on.

From Casio's guide, page 1

Set your Home Time zone

  1. In the Timekeeping Mode, hold A until the seconds flash.
  2. Press C until the UTC differential flashes.
  3. Press D to go up and B to go down, in 0.5-hour steps.
  4. Press A to exit the setting screen.

Good to know

The range is -12.0 to +14.0; with DST on, it is -11.0 to +15.0.

The UTC differential for each city is in the UTC Differential/City Code List at the end of the manual.

All World Time Mode times are based on the Timekeeping Mode time and date.

From Casio's guide, page 1

Set an alarm

  1. Press C until the Alarm Mode shows (after the Countdown Timer Mode).
  2. Hold A until the hour flashes; this also switches the alarm on.
  3. Press D to go up and B to go down; press C to move between the hour and the minutes.
  4. Press A to exit the setting screen.
  5. To switch the alarm and the hourly time signal on or off, press D in the Alarm Mode: it steps through both off, alarm only, signal only, then both on.

Good to know

In 12-hour format, mind a.m. (A) or p.m. (P).

The alarm sounds for 10 seconds in any mode; press any button to stop it.

Hold D in the Alarm Mode to test the alarm sound.

From Casio's guide, page 3

Match the hands to the digital time

  1. In the Timekeeping Mode, press C six times to enter the Hand Setting Mode.
  2. Hold A until the digital time flashes.
  3. Press D to move the hands 20 seconds forward; hold D to move them fast.
  4. To keep the hands moving fast, hold D and then press B; press any button to stop them.
  5. Press A to exit the setting screen.
  6. Press C to go back to the Timekeeping Mode.

Good to know

Use this when the analog hands do not show the same time as the digital display.

The minute hand is adjusted slightly to match the seconds when you exit the setting screen.

Locked fast movement stops by itself after 12 hours or when an alarm starts to sound.

From Casio's guide, page 1

Light

  1. Press L in any mode to light the display for about 1.5 seconds.
  2. To switch the auto light switch on or off, hold D for about three seconds in the Timekeeping Mode.

Good to know

With the auto light switch on, the display lights when you hold the watch parallel to the ground and then tilt it towards you more than 40 degrees.

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

The light does not work while an alarm is sounding.

Frequent use of the light runs down the battery.

From Casio's guide, page 3

Button tone on or off

  1. In any mode (not on a setting screen), hold C for about three seconds to switch the button tone on or off.

Good to know

The tone off indicator shows while the button tone is off.

With the button tone off, the daily alarm and the countdown timer alarm still sound.

From Casio's guide, page 4

Stopwatch

  1. Press C once to enter the Stopwatch Mode.
  2. If ST2 shows, press A to switch to the Single Stopwatch Mode (ST1).
  3. Press D to start.
  4. Press D while it runs to show a lap time; after about 10 seconds the display goes back to timing the next lap.
  5. Press A to stop timing and reset it to zero.

Good to know

In the Dual Stopwatch Mode (ST2), D starts and takes laps for Measurement A and B for Measurement B; A stops and resets both.

You cannot switch between ST1 and ST2 while timing is running.

It counts up to 99 hours 59 minutes 59.99 seconds, then starts again from zero.

Each start and lap is stored in memory (up to 50 records); view the logs in the Recall Mode.

From Casio's guide, page 2

Countdown timer

  1. Press C until the Countdown Timer Mode shows (after the Recall Mode).
  2. If a countdown is running, press D to pause it and then A to go back to the start time.
  3. Hold A until the hour of the start time flashes.
  4. Press C to step through hours, minutes and auto-repeat.
  5. On the hours or minutes, press D to go up and B to go down; on auto-repeat, press D to switch it on or off.
  6. Press A to exit the setting screen.
  7. Press D to start the countdown; press D to pause it.

Good to know

The start time is one minute to 100 hours; set 0:00 for 100 hours.

With auto-repeat off, the alarm sounds for 10 seconds at zero; press any button to stop it. The countdown then goes back to the start time.

With auto-repeat on, the countdown restarts by itself at zero.

The countdown keeps running if you leave the Countdown Timer Mode.

From Casio's guide, page 2

Module 4334 specs

Type
quartz
Power
Approx. battery life: 3 years on SR927W X 2 · other watches that take SR927W x 2
Accuracy
±30 seconds per month
Functions
World time, Stopwatch, Timer, Alarm/hourly time signal, Light, Calendar, Mute feature, 12/24-hour format
Manual
Casio's operation guide for module 4334

Watches with the 4334