Watch Catalog

Casio module 3454

Quartz module. 3454 is the number engraved on the caseback of these watches, and Casio files its operation manual under it. 2 watches in the catalog run on it.

How to operate module 3454

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. Press B until the Time Setting Mode shows, the mode after the Stopwatch Mode: the seconds flash.
  2. Press A to reset the seconds to 00.
  3. Press C to step through the settings: seconds, hour, minutes, month, day, then day of the week.
  4. On any setting other than the seconds, press A to count up (hold for fast); on the day of the week, each press moves to the next day.
  5. Press B to go back to the Timekeeping Mode.
  6. To switch between 12-hour and 24-hour format, press A in the Timekeeping Mode.

Good to know

Resetting the seconds between 30 and 59 adds one minute.

The calendar makes no allowance for leap years: set February 29 yourself in a leap year.

In 12-hour format, PM marks p.m.; in 24-hour format, 24H shows.

With no button pressed for one or two minutes, the watch goes back to the Timekeeping Mode by itself.

From Casio's guide, page E-13

Set an alarm

  1. Press B until the Alarm Mode shows, the mode after the Timekeeping Mode.
  2. Press C: the hour flashes, and the daily alarm is switched on.
  3. Press A to count up the hour (hold for fast), then press C to move to the minutes and set them with A.
  4. Press C after the minutes to go back to the Alarm Mode.
  5. To switch the daily alarm and the hourly signal on or off, press A in the Alarm Mode: both on, both off, daily alarm only, hourly signal only.

Good to know

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

The alarm sounds for 20 seconds; press any button to stop it.

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

From Casio's guide, page E-8

Light

  1. Press C in any mode to light the display.

From Casio's guide, page E-5

Stopwatch

  1. Press B until the Stopwatch Mode shows, after the Alarm Mode.
  2. Press A to start, A to stop, and A again to carry on.
  3. When it is stopped, press C to clear it to zero.
  4. For a split time, press C while it runs (SPL shows); press C again to let the display catch up.
  5. For two finishers: start with A, press C when the first finishes, A when the second finishes, then C to see the second time and C again to clear.

Good to know

It counts up to 59 minutes 59.99 seconds, then starts again from zero until you stop it.

It keeps running in other modes, but a split time on display is lost when you leave the mode.

From Casio's guide, page E-12

Module 3454 specs

Type
quartz
Power
Approx. battery life: 7 years on CR2016 · other watches that take CR2016
Accuracy
±30 seconds per month
Functions
Stopwatch, Alarm/hourly time signal, Light, Light color, Calendar, 12/24-hour format
Manual
Casio's operation guide for module 3454

Watches with the 3454