Seiko ASTRON 8X42 GPS SOLAR Complete User Manual page 9

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READ FIRST
How to check when the time zone information was configured for your watch
The case back shows the caliber-case number of your watch.
Caliber-case number
The number to identify
the watch type
 Display may vary depending on the model.
ASTRON 8X42 GPS SOLAR
By referring to caliber-case number shown on the case back, you will be able to determine
when the time zone data was configured.
For more details, refer to the URL below.
http://www.seikowatches.com/gpstimezonedatainfo/
If the official time zone has changed in a region after the watch's time zone data was
configured, the correct time will not be displayed even after receiving GPS signals. Please
perform the following operations to display the correct time:
＜ To set the time of this watch in a region where the official time zone has changed ＞
1. Select the time zone appropriate for the current time in the target region by manual time
zone setting.
For details, please refer to "Manual time zone setting"

2. Next, adjust the time by manual time adjustment.
For details, please refer to "Manual time adjustment"

3. When using the watch within the same time zone, the correct time will be displayed after
automatic (GPS) or manual time adjustments.
4. When moving from a region where the official time zone has changed to a different time
zone, then back to the region where the official time zone has changed, carry out the
same operations from 1. - 3. as indicated above to display the correct time in the region
where the official time zone has changed.
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