Q & A For The World Time Function; About Dual Time Display; About Sub Dial; Setting The Time, Date And Day By Receiving A Radio Signal - Seiko 8B63 Instructions Manual

Q & A for the world time function
Ｑ： W ill the watch be automatically set to the local time when it is moved to a place outside Japan
in a different time zone?
Ａ ： T he watch will not be automatically set to the local time if it is just moved to a place outside
Japan in a different time zone. Select the time zone where you are when you are abroad.
If you select the time zone, the watch is automatically set to the local time.
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(The time difference can be adjusted in increments of 1 hour.)
After selecting the time zone, if it is within the reception range of radio signals, you can leave
the watch to receive the radio signal to set it to the precise time.
(The radio signal transmitting station can be changed by selecting a time zone.)
Ｑ： W hen returning to Japan from overseas, is the time automatically set to Japan time?
Ａ ： J ust moving cannot adjust the Japanese local time. After selecting the time zone, radio signal reception is not
performed. When wearing a watch in Japan, set to Japan time by use of the time zone adjustment function.
Ｑ： T he hands stop during operation of time zone setting, therefore, does time lag occur?
Ａ ： T he internal circuit stores the time, therefore, no time lag occurs.
Ｑ： W hen a time zone for regions out of the radio signal reception range is set, the watch will not
receive a radio signal. How is the accuracy of the watch at that time?
Ａ ： T he watch has an accuracy of a normal quartz watch in that case. (Monthly rate: ±15 seconds)
Ｑ： H ow is adjustment made to a local time with a time difference of 15 minutes or 30 minutes?
Ａ ： T he time can be adjusted on a 1 hour basis by use of the time difference adjustment function.
When adjusting to a local time with a time difference of 15 minutes or 30 minutes.
→ How to manually set the time P.128
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About sub dial
・ The sub dial displays time in the 24-hour indication format.
・ Even if the time zone of the main watch is changed, the time indicated on the sub dial remains unchanged.
Sub dial operates independently of the main watch.
■ How to set the sub dial
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1.
0 1 2
3.
Button B
2. Press
※ Unlock the crown before operating it and then,
relock it after completing the operation. → P.85
※ Press the Button B with your finger or with an
object with a long tapered tip. → P.84
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1. Pull out the crown to the first click.
The second hand rotates until it points to the
30-second position and stops. The watch enters
the time setting mode for sub dial. Both the
main watch and the sub dial continue to operate.
2. Press the Button B to set the time.
To advance
Press the button once and release.
one minute
To advance Keep pressing down the button for longer than 2 seconds.
rapidly Press the button once again to stop.
3. Push the crown back.
The operation is now completed.
About dual time display
Equipped with the main watch and sub dial, the watch can simultaneously
indicate the local times in two regions.
Example: How to display the local time in Honolulu by the main watch, and
the local time in Japan by the sub dial.
Main watch: Local time (Honolulu)
Honolulu time (−19 hours):
Date: 5th. Day of the week: Sunday
Sub dial: Home time (Japan)
Japan time:
→ About sub dial P.96
Setting the time, date and day by receiving a radio signal
■ Mechanism of radio signal reception
The radio-controlled watch displays the precise time, date and day by automatically
receiving and synchronizing itself with the radio signal of an official standard frequency.
Transmitting
Station
Official standard
frequency
Cesium
Atomic Clock
15 o clock 8 minutes and 42 seconds
10 o clock 8 minutes (24-hour indication format)
Radio-controlled watch
Receive radio signals
through the antenna inside
the watch
↓
Analyze time information
↓
Display the current time,
date and day
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