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Before using this watch
The following three operations must be done before using the watch:
1
Checking the current power reserve (page 3)
2
Setting the time zone (page 3)
3
Checking the reception result of the time signal (page 5)
This watch has a rechargeable cell which is charged by exposing the dial
to light.
Expose the dial to direct sunlight regularly to charge the watch. For
details of charging, see page 7.
Band adjustment
We recommend seeking the assistance of an experienced watch technician for sizing
of your watch. If adjustment is not done correctly, the bracelet may unexpectedly
become detached leading to loss of your watch or injury (excluding products
containing the band adjustment tool).
Consult an authorized service center. Other shops may charge for, or may not
provide, the service.
Protective stickers
Be sure to remove any protective stickers that may be on your watch (case back,
band, clasp, etc.). Otherwise, perspiration or moisture may enter the gaps between
the protective stickers and the parts, which may result in a skin rash and/or
corrosion of the metal parts.
How to use a specially designed crown/button
Some models are equipped with a specially designed crown and/or push button to
prevent accidental operation.
Screw down crown/button
Unlock the crown/button prior to operate your watch.
Unlock
Rotate the crown
Screw down
counterclockwise until
crown
it releases from the case.
Rotate the locking screw
Screw down
counterclockwise, and
push button
loosen until it stops.
Recessed button
Press the button with a non-marring narrow-tipped object.
• Metal objects may cause marring or scratching of the button.
Component identification
• The illustrations in this instruction manual may differ from the actual appearance
of your watch.
Hands and buttons
Function hand
24-hour hand
Second hand
Indication
Reception-in-progress indication
Lock
Push the crown in to
the case. With gentle
pressure towards the
Northern hemisphere
case, rotate the crown
clockwise to secure it
to the case. Be sure to
tighten firmly.
Rotate the locking
screw clockwise, and
tighten firmly.
• A solar cell is placed under the dial.
About the Northern hemisphere dial
• A map of the Northern hemisphere, which centers the north pole, is shown on the
dial.
• Synchronized with the watch, the dial turns fully around counterclockwise once a
day.
• You cannot adjust the dial separately.
• The arrow on the dial always indicates UTC (Coordinated Universal Time).
• You can find approximate times of places on the Northern hemisphere by using
the dial. For example, when the dial turns to the position as shown below,
approximate times of places are read as follows:
Point A (London): about 1:00 AM
Point B (Tokyo): about 10:00 AM
Point C (New York): about 8:00 PM
* Use the time read through the Northern hemisphere dial only as reference. The actual
time of a place depends on its time zone and if summer time is implemented there or
not. Some borders of time zones match meridians and/or national borders, others do not
because of historical, political or other practical reasons. Actual borders of time zones are in
many cases determined by national governments and/or with international agreements. In
addition, clocks are set forward in a certain period to utilize daylight fully in countries and
areas where summer time is implemented.
Hour hand
Power reserve
dial
H864 Instruction manual
B
Button
Minute hand
Crown
A
Button
Crown's position
Reception result indication
Time zone
Day of week
Date
Summer time setting
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