When a radio signal cannot be received

When a radio signal cannot be received, refer to the following pages:

Not receivable within the radio signal reception range

Check that the time zone of the area where the watch is used is set.

When the time and date are misaligned even after the time zone is correctly selected, refer to Troubleshooting. Reception of a radio signal

Since a radio signal cannot be received, the time and date became misaligned. In this case, set the time and date manually.

How to manually set the time

How to manually set the date

For the radio signal reception ranges, refer to Radio signal reception range indication.

When the watch is used outside the radio signal reception range

Select the time zone of the area where the watch is used.

How to select the time zone (How to display the local time around the world)

When the watch does not display the correct time and date even after selecting the time zone, manually set the time and date.

How to manually set the time

If the watch is continually used in an environment in which a radio signal cannot be received (a region other than the radio signal reception ranges, etc.), set the time manually.

Radio signal reception range indication

When the watch is used in an environment in which a radio signal can be received again, receive a radio signal to set the time. Automatic reception and manual reception

When adjusting the time, the date will be accordingly adjusted.

Even if a radio signal cannot be received, the watch can be used with the same accuracy as that of a normal quartz watch. (Average gain/loss ±15 seconds per month)

When the watch receives radio signals after the time is manually adjusted, it displays the time received from radio signals.

Pull out the crown to the second click.

The seconds hand stops on the spot.

When the crown is a screw lock type, unlock it. Crown

7B75_How to manually set time-1 + How to manually set time-1

Pull out the crown to the second click

Turn the crown to set the time.

The watch switches to the manual time setting mode.

The seconds hand moves to the 0-second position and stops.

The moment the date changes is midnight (12 AM). Please be sure to set the time after ensuring that AM/PM is set correctly.

When the watch switches to the manual time setting mode, the reception result data is lost. Therefore, the reception result is indicated as “N”.

7B75_How to manually set time-2 + How to manually set time-2

Turn the crown clockwise to advance the time.

Turn the crown counterclockwise to set back the time.

Turn quickly to move continuously.
Turn again to stop moving.

Push the crown back in according to the time signal, etc.

The operation is completed.
The watch starts to work.

When the crown is a screw lock type, lock it. Crown

7B75_How to manually set time-3 + How to manually set time-3

Push the crown back in

How to manually set the date

When the date is not changed automatically due to an environment in which a radio signal cannot be received outside the radio signal reception range, etc. (when changing from a month with 30 days or less to a month with 31 days), set the date manually.

The date can be set independently regardless of the time.

When the watch is used in an environment in which a radio signal can be received again, receive a radio signal to set the time. Automatic reception and manual reception

When the watch receives radio signals after the date is manually adjusted, it displays the date received from radio signals.

If the date remains incorrect even after a successful radio signal reception, the preliminary position of the date may be misaligned.
Set the preliminary position for the date, and the hour and minute hands.