Watch Catalog

Casio module 5735

Quartz module. 5735 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 5735

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 two seconds and release it when the Home City name shows; the hands move out of the way.
  2. Press C until the setting you want flashes. The order is: Home City, summer time, 12/24-hour format, seconds, hour, minutes, year, month, day, button tone, then light duration.
  3. On the seconds, press D to reset them to 00.
  4. On any other setting, press B or D to change it (hold for fast).
  5. Press A to leave the setting screen.

Good to know

Resetting the seconds between 30 and 59 adds one minute.

The watch leaves the setting screen by itself after about two or three minutes without a button press.

In any mode, hold C for at least two seconds to go back to the Timekeeping Mode.

From Casio's guide, page 9

Summer time (DST)

  1. In the Timekeeping Mode, hold A for at least two seconds and release it when the Home City name shows.
  2. Press C once: the summer time setting flashes.
  3. Press D to switch between OFF (standard time) and ON (summer time).
  4. Press A to leave the setting screen.

Good to know

If the time is off by one hour or 30 minutes, the summer time setting is not correct.

The summer time of a World Time city is set apart: in the World Time Mode, hold A for at least two seconds to toggle it; DST shows while it is on.

From Casio's guide, page 9

Home City

  1. In the Timekeeping Mode, hold A for at least two seconds and release it when the Home City name shows.
  2. Press B or D to change the Home City (hold for fast).
  3. Press A to leave the setting screen.

Good to know

If the time is off by a set amount, such as nine hours, the Home City setting is not correct.

To see the Home City in the Timekeeping Mode, press A.

In the World Time Mode, hold B for at least three seconds to swap the Home City time and the World Time.

From Casio's guide, page 8

Set an alarm

  1. Press C until the Alarm Mode shows (AL).
  2. Press D to scroll through AL1 to AL4 and SNZ (the snooze alarm) until the alarm you want shows.
  3. Hold A for at least two seconds and release it when the hour digits flash.
  4. Press B or D to set the hour; mind the P indicator for p.m.
  5. Press C: the minutes flash. Press B or D to set them.
  6. Press A to leave the setting screen: ON and the ALM indicator show.
  7. To switch an alarm on or off, select it in the Alarm Mode with D and press B.

Good to know

An alarm sounds for 10 seconds; press any button to stop it.

The snooze alarm sounds up to seven times, at five-minute intervals. To cancel it, turn SNZ off.

Hourly time signal: in the Alarm Mode, press D until SIG shows and press B to switch it on or off.

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

If ALM stays on the display, at least one alarm is still on.

From Casio's guide, page 11

Realign the hands

  1. In the Timekeeping Mode, hold A for at least five seconds; release it when H.SET stops flashing and 0:00 flashes.
  2. If the hour and minute hands are not at 12 o'clock, press B or D to align them.
  3. Press A to leave the setting screen.

Good to know

Strong magnetism or impact can put the hands out of line with the digital time.

To move the hands out of the way to read the display, hold L and press C; hold C and press L again, or press C, to bring them back. They go back by themselves after about one hour.

From Casio's guide, page 16

Light

  1. Press L to light up the display.
  2. To change the duration: in the Timekeeping Mode, hold A for at least two seconds and release it when the Home City name shows.
  3. Press C 10 times: LT1 or LT3 shows.
  4. Press D to choose LT1 (1.5 seconds) or LT3 (three seconds), then A to leave.

Good to know

The light turns off when an alarm starts to sound, and does not work while the hands move at high speed.

The light may flicker when it turns on or off.

From Casio's guide, page 8

Button tone

  1. In the Timekeeping Mode, hold A for at least two seconds and release it when the Home City name shows.
  2. Press C nine times: KEY♪ or MUTE flashes.
  3. Press D to choose KEY♪ (tone on) or MUTE (tone off).
  4. Press A to leave the setting screen.

Good to know

Alarm and timer tones still sound while the button tone is muted.

From Casio's guide, page 16

Stopwatch

  1. Press C until the Stopwatch Mode shows (STW).
  2. Press D to start, D to stop, and D again to carry on.
  3. For a split time, press B while it runs; press B again to release the split.
  4. When it is stopped, press B to reset it to zero.

Good to know

It counts in 1/100 seconds up to 23 hours 59 minutes 59.99 seconds, then starts again from zero.

One-press start: when the stopwatch is at zero, pressing D in the Timekeeping Mode opens the Stopwatch Mode and starts timing.

It keeps running when you change to another mode.

Target time alert: with the stopwatch at zero, hold A for at least two seconds, set the hours and (after C) the minutes with B and D, press C and D to turn the alert on or off, then A. It beeps for 10 seconds when the target is reached; press any button to stop it (pressing B or D also starts the stopwatch).

From Casio's guide, page 13

Countdown timer

  1. Press C until the Timer Mode shows (TMR).
  2. If a countdown is running, press D to pause it, then B to reset it to its start time.
  3. Hold A for at least two seconds and release it when the minutes flash.
  4. Press B or D to set the minutes (1 to 60), then A to leave.
  5. Press D to start, D to pause, D to carry on; when paused, press B to reset it to the start time.

Good to know

At zero a beeper sounds for 10 seconds; press any button to stop it.

From Casio's guide, page 15

Module 5735 specs

Type
quartz
Power
Approx. battery life: 10 years on CR2025 · other watches that take CR2025
Accuracy
±15 seconds per month
Functions
World time, Stopwatch, Timer, Alarm/hourly time signal, Light, Light color, Calendar, Mute feature, 12/24-hour format, Hand shift feature
Manual
Casio's operation guide for module 5735

Watches with the 5735