Citizen E068 User manual
1
CONTENTS
A. BEFORE USING..........................................................................................2
B. SETTING THE TIME AND CALENDAR......................................................3
C. FUNCTIONS OF SOLAR POWERED WATCH ..........................................6
Insufficient Charge Warning Function..........................................................7
Quick Start Function ....................................................................................7
Overcharge Prevention Function .................................................................7
D. CARE AND HANDLING DURING CHARGING ..........................................8
E. ABOUT THE ENERGY STORAGE CELL...................................................9
F. TIME REQUIRED FOR CHARGING .........................................................10
G. IN THESE CASES .....................................................................................12
H. DO NOT USING THIS WATCH WHILE DIVING WHEN... ........................14
I. WHEN USING FOR DIVING......................................................................15
J. USING THE ROTATING BEZEL...............................................................18
K. PRECAUTIONS ........................................................................................20
L. SPECIFICATIONS.....................................................................................26
English
2 3
B. SETTING THE TIME AND CALENDAR
WWSetting the time
1. Stop the second hand by pulling out the crown.
2. Turn the crown to set the time.
3. After setting the time, firmly push the crown back into its normal position.
A. BEFORE USING
This watch is not powered by a conventional battery, but is powered by converting light
to electrical energy.
Once fully charged, the watch will continue to run for approximately 6 months without
additional charging. We do recommend exposing your watch to light every day to
ensure optimum performance. Always be sure to recharge the watch before it stops.
Your watch features an Overcharge Prevention Function so there is no need to worry
about overcharging your watch.
A special energy storage cell is used to store electrical energy. This special cell does
not require replacement and is a clean energy unit that does not use any toxic
substances.
Time-setting position
Crown
Solar cell
Normal position
[1] Three-hand models without calendar display
* If your watch has a screw-type crown, lift up the crown to loosen it before
operation. Be sure to press the crown down firmly after operation.
Before using, be sure to fully charge your watch by exposing it to light.
(See “F. Time required for charging”, for charge time reference)
54
7
7
SUN
WWSetting the time
1. Stop the second hand by pulling the crown out to the 2nd click (time setting position).
2. Turn the crown to set the time.
3. The watch will start after the crown is firmly pushed back into its normal position.
WWSetting the calendar
1. Pull the crown out to the 1st click (calendar setting position).
2. Set the desired date by turning the crown counterclockwise.
3. Set the desired day of the week by turning the crown clockwise.
•In the case of date display models, turning the crown clockwise will result in the loose
play of the crown.
4. After you have set the calendar, be sure to press the crown back to its normal position.
•Do not adjust the calendar when the watch is reading as below. Otherwise the
calendar may not change correctly.
* Date display models ..... between 9:00 pm and 1:00 am
* Date, day of the week display models ..... between 9:00 pm and 4:00 am
Time
setting
position
Time
setting
position
Calendar setting
position
Crown
Date
Solar cell
Normal position
[2] Models with calendar (date and weekday) display
* If your watch has a screw-type crown, lift up the crown to loosen it before
operation. Be sure to press the crown down firmly after operation.
[Date display models] [Date, day of the week
display models]
Solar cell
Crown
Date, day of the week
Normal position
Calendar setting
position
76
C.
FUNCTIONS OF SOLAR POWERED WATCH
If the charge becomes insufficient, a warning function will operate and the display
changes, as below.
Normal time
display
Stop
Insufficient charge
warning display
One second
interval movement Two second
interval movement
If charged
sufficiently
If insufficiently
charged
If insufficiently charged and time is set
When the watch is exposed to light, the Quick Start Function will begin operating
and the second hand will start moving. The correct time can be set once the watch
is fully charged.
If insufficient charge continues
The second hand changes to a two second
interval movement to indicate insufficient recharging.
Even in such a case, the watch keeps correct time, but about 4
days after the two second interval movement begins, the
watch will stop.
After exposing the watch to light, recharging takes place and
the watch returns to one second interval movement.
Two second interval
movement
2 sec
2 sec
WWQuick Start Function
The watch will stop if it is completely discharged.
It will begin to operate soon after it is exposed to light.
(However, the time to start may vary according to the brightness of the light.)
WWOvercharge Prevention Function
You can recharge your watch without worry.
Once the special energy storage cell is fully charged, the overcharge prevention
function comes into operation and prevents over-charging of the energy storage cell.
WWInsufficient Charge Warning Function
98
D. CARE AND HANDLING DURING CHARGING
WWNotes on Use
To maintain optimal performance, be sure to expose your watch to light regularly.
Please note that if you wear long sleeves, your watch may be hidden from light and
may result in insufficient charging. As such, additional exposure to light may be
necessary.
•When you take your watch off, be sure to place it in as bright an area as possible.
WWNotes on recharging
•Avoid recharging your watch in areas of high temperatures (over about 60 °C /
140 °F), otherwise the sensitive components of the watch may become damaged.
(e.g.) Incandescent lights generate heat sufficient to damage your watch. Be sure to
keep the watch at least 50cm (20inches) away from the bulb so no damage
occurs. We do not recommend the use of Halogen bulbs for recharging.
Never place your watch on the dashboard or rear deck of a vehicle as the heat
generated in these areas can damage your watch.
E. ABOUT THE ENERGY STRAGE CELL
Unlike ordinary watches, the special energy storage cell used in your watch does
not need regular replacement. This is a clean energy cell that will last the life of
the watch.
CAUTION:
The energy cell should last the life of the watch. Never allow anyone other than an
Authorized Service Center to replace this cell. The movement is designed to operate
with only the original energy storage cell. If an alternate cell is installed, such as a
conventional battery, the battery may become overcharged resulting in damage to the
movement and/or bursting of the cell, which could cause injury to the user.
1110
* The recharging time is the time the watch is continuously exposed to direct light.
Full recharging time . . . Time required to fully charge when the watch has completely
stopped.
One day usage . . . . . . . . Time required to charge the watch sufficient for one-day use
with one-second interval operation.
F. TIME REQUIRED FOR CHARGING
Time required for recharging may vary according to the design of the watch (color of
the dial, etc) and operating environment. The following table will serve as an
approximate reference: (Table of recharging)
(Empty to full)
Illuminance
(lux)
500
Environment
Inside an ordinary
office
Time required
From the stop state to the
one second movement
60 hours
One day
usage
4 hours
Empty to full
-------
1000
60-70cm (24-28in.) under
a fluorescent light (30W)
25 hours 2 hours -------
3000
20cm (8in.) under a
fluorescent light (30W)
8 hours 40 minutes 130 hours
10000 Exterior, cloudy 3 hours 12 minutes 40 hours
100000 Exterior, summer,
sunny 18 minutes 2 minutes 11 hours
CAUTION:
When recharging the watch after it is completely in the stop state, be sure to pull out the
crown to the time setting position.
After recharging, set the time and push the crown firmly back into its normal position.
1312
G. IN THESE CASES
[If the watch warns that the energy is running short]
The second hand starts moving at two second intervals in
order to warn that the watch will stop functioning after about
1 week. (Insufficient Charge Warning Function)
In such a case, expose your watch to light for a while to
cancel the warning. (The second hand returns to moving at
one second intervals when the energy is recharged.)
If the watch is left short of energy, it will stop functioning
after 4 days or so.
Two second
interval movement
[If the watch warns you to set the time.]
When the watch that has stopped is exposed to light, the
second hand starts two second interval movement (Quick
Start Function). The time elapsed before the second hand
starts moving depends on the illuminance of the light.
Even so, the second hand continues the two second interval
movement to tell you that the watch indicates an incorrect
time because it had stopped.
In such a case, set the hands to the correct time.
* If the watch is insufficiently exposed to light, the second
hand will soon switch to moving at two second intervals in
order to warn that the energy is running short.
Two second
interval movement
14 15
I.
WHEN USING FOR DIVING
Precautions when Using during Diving:
* When using a diver's watch, please make sure that you have received the
proper education and training for various types of diving, and observe all
rules.
* Please make sure to use the watch properly based on a thorough
understanding of watch handling and precautions. Please note that
failure to operate the watch in a manner not described in the user's
manual may prevent the watch from functioning properly.
H. DO NOT USING THIS WATCH WHILE
DIVING WHEN...
PROHIBITED
Do not use your watch while diving when the following occur.
• The insufficient recharging warning feature is activated. As the battery approaches
the end of its life, the second hand begins to move in 2 second increments. (When
this happens, expose the watch to light so that it recharges and the second hand
returns to normal movement. )
• The watch stops or exhibits any abnormal operation.
16 17
<Before Diving>
* Please make sure that the crown is pushed in firmly and the screw is securely
tightened.
* Please check that the band is securely attached to the watch.
* Please confirm that there are no cracks, scratches, chips or other abnormalities in
the band and glass.
* Please check that the rotating bezel rotates properly.
* Please check that the time and date are set correctly.
* Please check that the second hand is moving properly.
If the second hand is moving at two-second intervals, this means that the watch is
not sufficiently charged. Sufficiently charge the watch when this occurs.
<During Diving>
* Never attempt to turn or pull out the crown underwater. This can cause defective
water resistance or other malfunction.
* Be careful to avoid bumping your watch on hard objects such as diving equipment
or rocks.
<After Diving>
* Completely wash off any sea water, mud or sand adhered to the watch with pure
water after checking that the crown and screw are tightened. Wipe off any excess
moisture with a dry cloth.
18 19
Determination of Remaining Time
* The remaining time can be determined by
aligning the
▼
mark on the rotating bezel
with the target time.
Remaining time
J. USING THE ROTATING BEZEL
The rotating bezel can be used as a reference for elapsed time during diving or for the
amount of time remaining relative to a predetermined amount of time.
[Setting the Rotating Bezel]
* Only turn the rotating bezel to the left. It cannot be rotated in the opposite direction
(to the right) to prevent the risk of incorrect operation.
* Align the
▼
mark on the rotating bezel
with the minute hand. After a certain
amount of time has elapsed, the elapsed
time can be determined from the scale on
the rotating bezel.
Turning
direction
Elapsed time
Determination of Elapsed Time
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1
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