Citizen J8, J7 User Manual
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Thank you for your purchase of this Citizen watch.
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1234-567890
Before using the watch, read this instruction manual carefully to ensure
correct use.
After reading, be sure to store this manual in a safe place should it be
needed for future reference.
✳
The case has different features depending on the model.
Details of model specific features may not be outlined in this manual. See
“ http://www.citizenwatch.jp/support/default.htm ”.
English
To determine the movement number
<Engraving position example>
Your watch features a case number engraved on
the case back (refer to figure to the right).
On the case back, a number composed of four +
six alphanumeric characters (or more) is engraved.
In the example on the right, “1234” is the
movement number.
e engraving position may dier
depending on watch model.
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Safety Precautions
in accordance with these advisories at all times to ensure optimal enjoyment of
your watch and to prevent injury to yourself, other persons and/or damage to
property.
■ Safety advisories are categorized and depicted in this manual as follows:
DANGER
Highly likely to cause death or serious injury
Safety Precautions
■ Important instructions are categorized and depicted in this manual as follows:This manual may contain certain safety advisories. Your watch should be used
Warning (caution) symbol followed by instructions that should be
followed and/or precautions that should be observed.
Warning (caution) symbol followed by prohibited use and/or
operation advisory.
WARNING
CAUTION
May cause serious injury or death
May or will cause minor or moderate injury or damage
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Table of contents
Features ………………………………………………………………… 7
Guide to Charging Time ……………………………………………… 8
Notes Before Use …………………………………………………… 10
Component identication ………………………………………… 13
Setting the Time …………………………………………………… 14
Setting the Calendar
Eco-Drive (solar powered) Watch Handling Precautions ………… 18
Water resistance …………………………………………………… 22
Precautions and usage limitations ………………………………… 25
Maintenance ………………………………………………………… 30
Information ………………………………………………………… 31
Specications ……………………………………………………… 32
(For models with Date/ Day indication)
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Features
◆
Eco-Drive (solar powered) watch
The watch operates by converting sunlight and other light into electrical energy. Once the
rechargeable cell is fully charged, the watch will function for approximately 8 months.
◆
Insufficient charge warning
If the power becomes very low, the second hand advances
at 2-second intervals, indicating that charging is necessary.
When the second hand starts to advance at 2-second
intervals, expose the watch to light until it is fully charged.
If the watch is not exposed to light within approximately 5 days aer the insucient
charge warning starts, the watch will stop.
◆
Quick start function
When the stopped watch is exposed to light, it starts operating again.
Aer quick start, expose the watch to light until it is fully charged. Set the correct time
before using the watch.
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Guide to Charging Time
Below are the approximate times needed for charging when exposing the watch
dial to light continuously. Please use this table as a reference only.
Charging time (approximate)
Illuminance
10000 to
100000
3000
Environment
(Lx)
Outdoors
(sunny sky,
cloudy sky)
20 cm under a
uorescent lamp
(30 W)
500 Interior lighting 4 hours 200 hours —
Charging
time to work
for one day
7 to 25
minutes
50 minutes 30 hours 240 hours
Charging time to start
working normally
(second hand moves in
1-second steps) when the
rechargeable cell is empty
4 to 15 hours 30 to 120 hours
Charging time to
the fully charged
state when the
rechargeable cell
is empty
Guide to Charging Time
To charge the rechargeable cell fully, it is recommended to expose the dial to direct
＊
sunlight. A uorescent lamp or interior lighting does not have sucient illumination to
charge the rechargeable cell fully.
is watch will run for approximately 8 months from a full charge without further exposure
to light.
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Notes Before Use
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Notes before use - Protective stickers
Prior to the watch being shipped from the manufacturing plant, its glass, case,
metal band, and metal parts of the clasp are covered with stickers to protect
them from getting fingerprints or scratches during transit from the plant to the
store. If the watch is worn without first removing these stickers, 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.
For this reason, please be sure to peel off the stickers before wearing the watch.
Notes Before Use
◆
Notes on charging your watch
This watch has a rechargeable cell which is charged by exposing the dial to
light, such as direct sunlight or fluorescent lamps. After taking off the watch,
put it in a location where the dial is exposed to bright light, such as by a
window.
For optimal performance, perform the following:
• Expose the watch with the dial facing towards direct
sunlight for five to six hours at least once a month.
• Do not store the watch in a dark place with no light
for a prolonged period of time.
• When the watch is regularly covered with long sleeves, it may not be charged
suciently. Try to keep the watch exposed to light sucient for charging.
• Do not charge the watch at a high temperature (about 60ºC/140˚F or higher).
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