Watch Catalog

Casio module 5673

Solar powered module. 5673 is the number engraved on the caseback of these watches, and Casio files its operation manual under it. 5 watches in the catalog run on it.

How to operate module 5673

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, pull out the crown: CITY flashes.
  2. Press D so that HOUR-MIN flashes, then turn the crown to set the minutes.
  3. Press B so that HOUR flashes, then turn the crown to set the hour.
  4. Press B again and turn the crown to set the year.
  5. Press B again and turn the crown to set the month and day.
  6. Push the crown back in on the top of a minute, following a time signal.

Good to know

Set the Home City before the time. Where time signal reception works, letting the watch receive the signal is the better way.

To switch between 12H and 24H: pull out the crown, press B five times, turn the crown, push it back in.

From Casio's guide, page 14

Daylight saving time

  1. In the Timekeeping Mode, pull out the crown: CITY flashes.
  2. Press B to reach the summer time setting.
  3. Turn the crown to choose AUTO (switches by itself), OFF (always standard time) or ON (always summer time).
  4. Push the crown back in.

Good to know

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

From Casio's guide, page 14

Home City

  1. In the Timekeeping Mode, pull out the crown: CITY flashes and the second hand points at the current Home City.
  2. Turn the crown until the second hand points at the city code you want.
  3. Push the crown back in.

Good to know

The Home City also tells the watch which time signal area it is in.

From Casio's guide, page 14

Set an alarm

  1. Press B until the Alarm Mode shows (the mode hand points to AL).
  2. Press A or C to pick the alarm, AL1 to AL5.
  3. Pull out the crown: the hour and minute digits flash. Turn the crown to set the minutes.
  4. Press B so the hour flashes, then turn the crown to set the hour.
  5. Push the crown back in.

Good to know

In the Alarm Mode, press D to switch the shown alarm or the hourly signal (SIG) ON or OFF.

In 12-hour format, check the A (a.m.) or P (p.m.) mark when setting the hour.

From Casio's guide, page 16

Realign the hands

  1. In the Timekeeping Mode, pull out the crown.
  2. Hold A for at least five seconds: HAND SET flashes first, keep holding until HAND ADJ flashes.
  3. Wait until all hands have moved to 12 o'clock, then push the crown back in.
  4. Check that the hands and the display show the same time; repeat if they do not.

Good to know

Strong magnetism or a hard knock can put the hands out of line with the digital time.

From Casio's guide, page 31

Light

  1. Press L to light the face.
  2. To change the duration: in the Timekeeping Mode pull out the crown and press B four times, so LIGHT appears.
  3. Turn the crown to choose 1 (1.5 seconds) or 3 (3 seconds).
  4. Push the crown back in.

Good to know

Auto Light (tilt to light) is switched the same way with B pressed three times.

From Casio's guide, page 10

Button beep

  1. In the Timekeeping Mode, pull out the crown.
  2. Press B twice: KEY♪ or MUTE flashes.
  3. Turn the crown to choose KEY♪ (beep on) or MUTE (beep off).
  4. Push the crown back in.

Good to know

Alarm and timer tones still sound with the beep muted.

From Casio's guide, page 32

Stopwatch

  1. Press B until the Stopwatch Mode shows (the mode hand points to ST).
  2. Press A to start and stop; press A again to resume.
  3. While running, press C for a split time, and C again to release it.
  4. When stopped, press C to reset to zero.

Good to know

It measures up to 24 hours in 1/100 second steps.

From Casio's guide, page 30

Countdown timer

  1. Press B until the Timer Mode shows (the mode hand points to TR).
  2. Pull out the crown: the minutes flash. Turn the crown to set the start time, then push the crown back in.
  3. Press A to start and to pause; press A again to resume.
  4. While paused, press C to reset to the start time.

Good to know

The start time goes up to 60 minutes in 1-minute steps.

At zero a beeper sounds for 10 seconds; any button stops it.

From Casio's guide, page 31

Module 5673 specs

Type
solar
Power
Tough Solar (Solar powered)
Accuracy
±15 seconds per month (with no signal calibration)
Functions
World time, Stopwatch, Timer, Alarm/hourly time signal, Light, Light color, Calendar, Mute feature, Hand home position correction feature, Energy saving feature, Battery display/alert, Run time, 12/24-hour format, Hand shift feature, Time adjustment details
Manual
Casio's operation guide for module 5673

Watches with the 5673