Points to be checked
Reception was successful (the reception result is displayed as “Y”), but time has gained or lost.
The set time difference (including DST (daylight saving time or “summer time”)) may differ.
When the time difference setting differs from the current location, set the time difference through one of these operations.
When in a location with good reception How to adjust the time zone
When in a location with no reception How to perform manual time difference setting (selection)
Automatic time adjustment may not get activated for a few days.
Automatic time adjustment
The automatic time adjustment function is unlikely to be activated due to low energy stored in the watch or depending on the environment.
To immediately adjust the time, refer to How to adjust the time zone.
Preliminary position
When the watch is unable to display the precise time or date, or the indicator hand does not point to the correct position even when it has successfully received GPS signals, the preliminary position may be misaligned.
The preliminary position is misaligned due to the following reasons.
Strong impact such as dropping or hitting
Things around you which generate magnetism
Examples of common magnetic products that may affect watches
When comparing the state of “Misaligned Preliminary Hand Position” to that of a weight scale, it is like “a scale which is unable to display the correct weight because its needle is not set to the zero position before weighing.”
Setting the preliminary position of the hour, minute, and seconds hands (automatic hand position alignment function)
The “automatic hand position alignment function” automatically adjusts the hour, minute, and seconds hands when the preliminary positions are incorrect.
The automatic hand position alignment function acts once per 12 hours for the hour hand (at noon and midnight), once per hour for the minute hand, and once per minute for the seconds hand.
This function works when the preliminary hand position is misaligned due to external factors such as strong impact or magnetic influence.
It does not work to adjust accuracy of the watch or slight misalignment which may occur during the manufacturing process.
The preliminary positions of the hour and minute hands can be adjusted manually.
Adjusting the preliminary position of the date, indicator hand, and hour/minute hands
Setting the preliminary position of the date and indicator hand
As the preliminary position of the date and indicator hand is not adjusted automatically, it must be set manually.
Preliminary position of this watch
The preliminary position of the date is “1” (1st).
The preliminary position of the indicator hand is “low.”
The preliminary position of the hour/minute hands is “12:00 AM”.
Adjusting the preliminary position of the date, indicator hand, and hour/minute hands
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Pull out the crown to the second click
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Continue to press Button B (3 seconds)
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Turn the crown to adjust the date to “1”
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Press Button B and then release it
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Turn the crown to adjust the indicator hand to “low”
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Press Button B and then release it
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Continue to press Button A (3 seconds)
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Push the crown back in
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Set the time by receiving GPS signals
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Set the time difference and date manually
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Manually set the time
The seconds hand will move to the 0-second position.
Pull out
the crown to the second click
The watch enters the mode for setting the preliminary position of the date.
Press for 3 seconds
During movement of the date, the buttons cannot be operated.
The seconds hand stops at the 18-second position.
The date moves, and stops when it indicates the preliminary position.
Adjust so that the numeral “1” appears in the center of the date window.
If “1” is displayed, go to operation 
Turn the crown clockwise to advance 1 step.
Turn the crown counterclockwise to set back 1 step.
Turn quickly to move continuously.
Turn again to stop moving.
The watch enters the mode to adjust the preliminary position of the indicator hand.
Press and then release
The seconds hand stops at the 44-second position.
The indicator hand turns and stops to indicate the preliminary position.
When the indicator hand points to “low”, go to operation 
Turn the crown clockwise to advance 1 step.
Turn the crown counterclockwise to set back 1 step.
Turn quickly to move continuously.
Turn again to stop moving.
The watch goes into the preliminary position setting mode of the hour and minute hands.
Press and then release
The seconds hand stops at the 0-second position.
The hour/minute hands move, and stop at “12:00 AM”.
Press for
3 seconds
The watch exits the mode to adjust the preliminary position, and the seconds hand and the hour/minute hands start moving.
Push back in
When you are in a place where GPS signals can be easily received, adjust the time zone.
When operations 
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are complete, be sure to set the time.
When you are in a place where GPS signals cannot be received