Watch Catalog

Casio module 3516

Quartz module. 3516 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 3516

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. On the current time screen, hold C for at least two seconds to enter the Control Mode.
  2. Press C until SETTING is selected, then press A.
  3. Use C to move the pointer to WATCH SETTINGS, press A, then move to DATE & TIME and press A.
  4. Move to TIME SETTING and press A: a cursor appears under the hour.
  5. Press C to change the hour, press A, change the minute with C, then press A to finish.
  6. For the date, choose DATE SETTING instead and set the year, month and day the same way.
  7. Hold D for at least one second to return to the current time screen.

Good to know

The watch corrects its time from a paired phone; manual setting is for when it cannot connect.

Pressing D during setting goes back one screen.

From Casio's guide, page 37

Daylight saving time

  1. On the current time screen, hold C for at least two seconds, press C until SETTING is selected, then press A.
  2. Use C to move the pointer to WATCH SETTINGS and press A.
  3. Move to HOME TIME, press A, then move to DST and press A.
  4. Use C to choose AUTO, OFF (always standard time) or ON (always summer time).
  5. Press A to save, then hold D for at least one second to return.

Good to know

Every city starts on AUTO, which switches between summer and standard time by itself.

From Casio's guide, page 36

Home City

  1. On the current time screen, hold C for at least two seconds, press C until SETTING is selected, then press A.
  2. Use C to move the pointer to WATCH SETTINGS and press A.
  3. Move to HOME TIME, press A, then move to HOME TIME CITY and press A.
  4. Use C to pick your city.
  5. Press A to save, then hold D for at least one second to return.

From Casio's guide, page 36

Set an alarm

  1. On the current time screen, hold C for at least two seconds, press C until SETTING is selected, then press A.
  2. Use C to move to WATCH SETTINGS, press A, then move to ALARM and press A.
  3. Move the pointer to the alarm you want (there are four) and press A.
  4. Use C to choose OFF, ON, or ON (SNZ) for snooze, then press A.
  5. Use C to set the hour, press A, set the minute with C, and press A to finish.
  6. Hold D for at least one second to return to the current time screen.

Good to know

Press any button to stop a sounding alarm. Snooze repeats every five minutes, up to seven times.

The hourly time signal can only be switched on or off in the CASIO WATCHES phone app.

From Casio's guide, page 40

Light

  1. Press B to turn on the light.

From Casio's guide, page 62

Button beep

  1. On the current time screen, hold C for at least two seconds, press C until SETTING is selected, then press A.
  2. Use C to move to GENERAL SETTINGS and press A.
  3. Move to BEEP/VIBE, press A, then move to BUTTON OPERATION and press A.
  4. Use C to choose BEEP+VIBE, BEEP, VIBE or OFF.
  5. Press A to save, then hold D for at least one second to return.

From Casio's guide, page 57

Stopwatch

  1. On the current time screen, press C until STOPWATCH is selected, then press A.
  2. Press A to start, A to stop, and A again to carry on.
  3. For a split time, press D while it runs.
  4. When it is stopped, press D to reset it to zeros.

Good to know

It counts up to 99 hours 59 minutes 59 seconds in 1-second steps.

From Casio's guide, page 42

Countdown timer

  1. On the current time screen, press C until TIMER is selected, then press A.
  2. Hold C for at least two seconds: a cursor appears under the minutes.
  3. Press C to change the minutes, press A, then press C to change the seconds.
  4. Press A to finish.
  5. Press A to start, pause and resume the countdown; while paused, press D to reset it to the start time.

Good to know

Start times go up to 60 minutes. For a quick start, press C on the TIMER screen to open the EZ setting, where each further press of C adds 30 seconds, then press A to start.

At the end the watch beeps or vibrates for 10 seconds; press any button to stop it.

From Casio's guide, page 43

Reset

  1. On the current time screen, hold C for at least two seconds, press C until SETTING is selected, then press A.
  2. Use C to move to GENERAL SETTINGS and press A.
  3. Move to RESET and press A.
  4. Move the pointer to YES and press A; the watch returns to the current time screen and shows AC when done.
  5. Press A to clear AC from the display.

Good to know

A reset also removes the phone pairing and cannot be undone.

It does not work while the battery indicator shows LOW or lower.

From Casio's guide, page 64

Module 3516 specs

Type
quartz
Power
Charging system compatible with dedicated cable (requires device with Type-A USB terminal)
Accuracy
±15 seconds per month (with no mobile link function)
Functions
World time, Moon data, Sunrise/sunset display, Stopwatch, Timer, Alarm/hourly time signal, Light, Light color, Calendar, Mute feature, Energy saving feature, Battery display/alert, Run time, Airplane mode, Vibrator, 12/24-hour format, Vibration on/off, Sensor feature details
Manual
Casio's operation guide for module 3516

Watches with the 3516