How To Check When The Time Zone Information Was Configured For Your Watch - Seiko Astron 8X53 Handy Manual

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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.
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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 "7. Manual time zone selection of the
main-dial" P. 15
2. Next, adjust the time by manual time adjustment.
→ For details, please refer to "11. How to manually adjust the time"
P. 23
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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