Watch Catalog

Casio module 3284

Quartz module. 3284 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 3284

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 C to step through the settings: seconds, hour, minutes, month, day, then day of the week.
  3. On the seconds, press A to reset them to 00.
  4. On any other setting, press A to count up (hold for fast).
  5. Press B to go back to the Timekeeping Mode.

Good to know

Resetting the seconds between 30 and 59 adds one minute.

To switch between 12-hour and 24-hour format, press A in the Timekeeping Mode. In 12-hour format, PM marks p.m.

The calendar always gives February 28 days.

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 to enter the Alarm Mode (AL), the mode after the Timekeeping Mode.
  2. Press C: the hour flashes. This also switches the daily alarm on.
  3. Press A to count up the hour (hold for fast; in 12-hour format, mind a.m. or p.m.).
  4. Press C to move to the minutes and set them with A.
  5. Press C again to go back to the Alarm Mode.

Good to know

In the Alarm Mode, press A to cycle through: both the daily alarm and the hourly signal on, both off, daily alarm only, hourly signal only.

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 (ST), 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 release it.
  5. For two finishes: 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 when you leave the Stopwatch Mode.

From Casio's guide, page E-12

Module 3284 specs

Type
quartz
Power
Approx. battery life: 5 years on CR1616 · other watches that take CR1616
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 3284

Watches with the 3284