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E31 M
Technical Information
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Citizen E31 M Technical Information

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CITIZEN QUARTZ
Cal. No. E31 M
TECHNICAL INFORMATION
INFORMACION TECNICA
ENGLISH
Contents
B. When the Battery Becomes Short of Power – Insufficient
Charge Warning Function ................................................................. 2
D. After the Battery is Fully Charged – Overcharge Prevention
Function .............................................................................................. 3
Individual service policy
1) Outline Men's analog quartz watch having a large calendar easy to see consisting of the Eco-Drive "twin date" disc date dial (1) and date dial (2) and having the Eco-Drive function.
2) Sales area U.S.A, Asia, Europe
3) Service rank B
4) Guarantee period:
1 year
5) Repair: • Place Any Service Center
Remarks:
6) Parts 7 years after manufacture is stopped
7) Time to start sale 2007 July
ESPAÑOL
Índice
§3.
NOMBRES DE LOS COMPONENTES Y FUNCIONES PRINCIPALES
...... 25
B. Cuando Disminuya el Nivel de Carga de la Pila
— Función de Aviso de Carga Insuficiente ................................... 26
D. Después que la Pila Esté Completamente Cargada
— Función de Prevención de Sobrecarga ..................................... 27
§11.
COMPROBACIÓN Y CORRECCIÓN DE LA POSICIÓN DE REFERENCIA
..... 32
Política de servicio individual
1) Descripción general Reloj de cuarzo analógico para caballeros con calendario grande fácil de ver compuesto por el disco de fecha “Eco-Drive Big Date" (1) y el disco de fecha (2) y que posee la función Eco-Drive.
2) Mercado inicial de
ventas
EE.UU, Asia, Europa
3) Categoría de servicio B
4) Período de garantía:
1 año Garantía Internacional: Aplicada
5) Reparación: • Lugar Cualquier centro de servicio
Observaciones:
6) Piezas Hasta 7 años después de la última producción masiva.
7) Fecha de inicio de las
ventas
2007 July
4
1
§2. SPECIFICATIONS
§1. FEATURES
•
Eco-Drive:
Solar-powered and no battery replacement (page 3)
•
The date window:
Large and highly visible
•
The calendar:
No date correction at the end of months (page 4)
Caliber No. E310-00M
Type Analog solar-powered watch Movement size (mm) ø28.8 x 27.9 x 4.16
t
Accuracy
Within ±15 seconds per month on average (when worn at normal
temperatures between 5°C/41°F and 35°C/95°F) IC 1 unit of C/MOS-LSI Operating temperature −10°C/14°F to +60°C/140°F
Display functions
Time 24 hours, hours, minutes, seconds Calendar Years passed since the last leap year, Month, Date
Additional functions
Perpetual calendar (until February 28, 2100)
Overcharge prevention function
Insufficient charge warning function
Operation time
Fully charged to empty Approx. 12 months Two second interval
movement to stop
Approx. 3 days
Battery Secondary battery, 1pc.
*Specification may change without notice.
§3. PART NAMES AND THEIR MAIN FUNCTIONS
Button A: For setting the date etc.
The illustrations in this instruction manual may differ from the actual appearance of your watch.
Hour hand
Minute hand
Button B: For setting the calendar-related functions
Crown: For setting the time, checking the date, etc.
Press HERE.
Example of a button
Date
24-hour hand: Goes around once a day
Second hand
English
5
2
§4. OPERATING THE CROWN
How to use the screw down crown
To release the crown
Turn the crown to the left until it pops out slightly.
To lock again
Tighten the crown completely by pressing and turning it to right.
When leaving the watch unused for an extended period of time
Pull out the crown to position .
All hands stop moving and the battery power is saved.
• The date will change to the following day every 24 hours
once you have pulled out the crown to position
.
§5. CHARGING THE BATTERY
A. Charging the Battery
This watch has a battery which is charged by exposing the dial to light such as direct sunlight or fluorescent lamps.
To obtain the best performance:
•
Expose the dial to direct sunlight at least once a month.
• After taking off the watch, put it
where the dial is exposed to bright light, such as by a
window.
• Before storing the watch in a dark place for an extended period of time, fully charge the
battery.
When the watch is covered with long sleeves, for example, the battery may not be charged sufficiently. Try to keep the watch exposed to light.
Do not charge the battery at a high temperature (about 60°C/140°F or higher).
B. When the Battery Becomes Short of Power—Insufficient Charge Warning
Function
When the battery becomes short of power, the second hand moves once every two seconds—insufficient charge warning function. Charge the battery by exposing the dial to light.
6
3
C. Charging Time
Below are the approximate values when exposing to the light continuously. The charging time differs depending on the color of dial or other conditions. Use the table below only for your reference.
Illuminance
(Lx)
Environment
Charging time
to work for one
day (approx.)
Charging time to
start working
normally when
the battery is
empty (approx.)
Time for
charging fully
when the battery is
empty
(approx.)
500 Interior lighting 4 hours 60 hours –––
1,000
60-70 cm (24-28 in.) under a fluorescent lamp (30 W)
2 hours 25 hours
–––
3,000
20 cm (8 in.) under a fluorescent lamp (30 W)
40 minutes 7.5 hours –––
10,000 Under cloudy weather 11 minutes 2.5 hours 70 hours
100,000 Under direct sunlight in summer 2 minutes 45 minutes 35 hours
Battery duration after full charging (without further charging) :
About 12 months
D. After the Battery is Fully Charged—Overcharge Prevention Function
After the battery is fully charged, charging automatically stops to prevent overcharging, which may damage to the battery, or affect the accuracy, functions, and performance of the watch.
Eco-Drive
This watch has the ”Eco-Drive” system, which converts light into electrical energy with the solar cell beneath the dial.
The system makes you free from care of battery replacement and is environment-friendly because of no battery disposal.
The two-second interval movement
• After the battery is charged for a while, the second
hand will move normally.
• If you have not charged the battery for three days
or more since the warning movement began, the battery will run out and the watch will stop.
Note:
You cannot check or adjust the settings while the warning movement continues, though you can see the time.
7
4
§6. SETTING THE TIME
Date window
Second hand
24-hour hand
1.
Pull out the crown to position
.
All hands stop moving.
• To set the time accurately, pull out the crown when the
second hand is at the 0 second position.
2.
Turn the crown to set the time.
All hands other than the second hand will move.
• Take care of the position of the 24 hour hand to set A.M. or P.M.
correctly.
• When you set the hands to around midnight, the date will change to
the following day. To return to the previous day, set the hands to any position before 23:30.
Go to step 3 after the date has completely stopped.
3.
Push in the crown to position
.
The watch starts moving.
• To set the time accurately, push in the crown by the time signal.
§7. CHECKING THE DATE, MONTH, AND YEAR
You can check the date, month, and year*1.
The crown
position
The button
operation
To check a date
—
To check a month
—
To check an year
Pressing button
A
*2
Button A
Date window
*1 This watch shows the number of years passed since the last leap year. *2 Each time you press button A while the crown is set to position , you can display the month
and year alternately.
Display examples of the date window
When checking a date
Ex. 5th day
When checking a month
Ex. February
• “M” stands for Month.
When checking an year
Ex. Next year of a leap year
• “L.Y.” stands for Leap Year.
The figures in the date window change slowly.
Perpetual calendar:
The date is automatically adjusted until February 28, 2100. So you do not need to correct it at the end of months.
8
5
§8. SETTING THE YEAR, MONTH, AND DATE
Note: Do not operate between 23:00 and 0:30; otherwise, the date may not change even if the
24-hour hand moves past midnight.
The calendar setting has the following stages:
Enter the setting mode
(page 5)
Set the year
(page 5)
Set the month
(page 6)
Set the date
(page 6)
Before setting:
• You cannot go back to the previous setting.
• You cannot go to the next step while the figures in the date window are moving.
• To stop setting, change the position of the crown. In this case, the settings you have made are
cleared. The calendar setting has the following stages:
Date window
Date window
Button
B
Button
B
The figures in the date window move slightly up and down or right and left, or change to tell you that you can do the next operation.
1-1. Pull out the crown to position
.
The month appears in the date window. 1-2. Press and hold button B until the figures in the date
window start moving.
The figures in the date window change slowly. Set the number of years passed since the last leap year.
Button
A
Year Passed year Year Passed year
2004 Leap year 2008 Leap year 2005 One year 2009 One year 2006 Two years 2010 Two years 2007 Three years 2011 Three years
Quick reference chart for number of years passed since leap year
Ex. Setting value Window
When the current year is a leap year
0
When two years have passed
2
2-1. Press button A repeatedly to set the year.
2-2. Press button B.
Now you can set the month.
1. Enter the setting mode
2. Set the year
9
3-2. Press button B. Now you can set the ones digit.
3-3. Press button A repeatedly to set the ones digit of the
month.
6
Date window
3-1. Press button A to set the tens digit of the month.
Button
B
Button
A
Month
Setting
value
Window
From January to September
M0
From October to December
M1
Ex.
Setting
value
Window
September 9
November 1
4-1. Press button A repeatedly to set the tens digit of the
date.
4-2. Press button B. Now you can set the ones digit.
Ex.
Setting
value
Window
5th day 0
30th day 3
Ex.
Setting
value
Window
5th day 5
30th day 0
4-3. Press button A repeatedly to set the ones digit of the
date.
3. Set the month Set the month—tens digit, then ones digit.
4. Set the date Set the date—tens digit, then ones digit. The selectable date differs depending on the year and month you have set.
3-4. Press button B. Now you can set the date.
5. Finish the setting
Push in the crown to position
.
The settings are stored.
Date window
Button
B
Button
A
10
7
§9. HANDLING SOLAR POWERED WATCH
WARNINGS Handling the secondary battery
• Do not remove the battery. When it is required, keep the battery out of the reach of children to
prevent them from swallowing it.
• If the battery is swallowed, consult a doctor and seek medical treatment.
CAUTIONS Cautions about charging
• Excessively high temperature at charging battery may cause discoloration and deformation of
the exterior, and malfunction of the movement.
• Do not charge the battery at a high temperature (about 60°C/140°F or higher).
Examples:
− charging the battery by light such as an incandescent lamp or halogen lamp
− charging the battery where the temperature becomes extremely high—such as on the dashboard
§
10.
TROUBLESHOOTING
If you have a problem with your watch, check the table below for a possible solution before calling for service.
Symptoms Remedies
Reference
page
The hands do not work properly
The second hand moves only once every two seconds.
Charge the battery.
2
All hands stop moving.
Push in the crown to position
.
4
Charge the battery. 2
The date display is not correct
The figures are not displayed upright. Check and correct the reference position. 8 The date is wrong. Set the year, month, and date correctly. 5 - 6 The date changes to the following day at
around noon.
Check if the 24-hour hand indicates the correct time.
4
Others
The watch does not work properly even if you have tried the remedies on page 7.
Reset the watch, then adjust the reference position.
9
The watch does not move even if the battery is fully charged.
Contact the Citizen Service Center or the store where you purchased your watch.
−
11
8
§
11.
CHECKING AND CORRECTING THE REFERENCE POSITION
The figures of the date window rotate referring to the “0” position as the initial position. If the “0” position, the reference position, has moved off because of shock or other reasons, the figures are not displayed upright. Correct the reference position following the procedure below when the figures are not displayed upright.
1. Check the current reference position
1-1. Set the crown to position
.
1-2. Press and hold button B until the figures start
moving to show the current reference position.
Check the current reference position after the figures
have stopped moving.
Position of figures The status of the reference position
“0”s of both digits are shown upright.
The reference position is correct. Go to step 1-3.
Other than above
Ex.
The reference position is wrong. Go to step 2-1 to correct it (page 8).
• Follow step 2-1 within two minutes.
1-3. Press button B to finish the procedure. The current date will appear in the date window.
• The current date will also appear in the date
window if no operation is done for about two minutes after step 1-2.
2.
Correct the reference position
The figures in the date window move slightly up and down or right and left, or change to tell
you that you can do the next operation.
Date window
Date window
Button
B
Button
B
Button
A
2-1. Pull out the crown to position . You can correct the tens digit of the reference
position.
2-2. Press button A repeatedly to display the “0” upright. Each time you press the button, the “0” moves step
by step.
• When you press and hold button A, the “0” moves seamlessly.
3. Finish the correction
Push in the crown to position .
The settings are stored and the current date will appear in the date window.
2-3. Press button B to advance to the ones digit setting. Each time you press the button, you can select the
tens digit and ones digit alternately.
2-4. Repeat step 2-2 to correct the ones digit of the
reference position.
12
9
§
12.
RESETTING THE WATCH
The watch may not work properly if it is affected by static electricity or shock. In this case, reset the watch, then adjust the reference position and set the time, year, month,
and date again.
1.
Pull out the crown to position
.
All hands stop moving.
2. Press buttons A and B at the same time. The reference position and the calendar are reset.
• When the reset is performed, the figures in the date
window move slightly up and down or right and left to tell you that the operation has been completed.
3. Set the reference position. Follow the procedure from step 2-2 to 2-4 on page 8.
4. Push in the crown to position
.
The settings are stored and “01” appears in the date
window.
The calendar is set to “January 1st of a leap year.” To set
the time, year, month, and date again, refer to “Setting the time” (page 4) and “Setting the year, month, and date” (page 5).
Date window
Button
B
Button
A
§
13.
MAINTENANCE
Daily maintenance
• Rotate the crown while it is pressed in (position ) and press the buttons periodically so that
they will not be rusty.
• Wipe off dirt, perspiration, and water from the case and glass with a soft cloth.
• To clean a metal, plastic, or rubber watchband, wash away dirt with water. Use a soft brush to
remove dust and dirt stuck in the gaps in a metal band.
• Do not use solvents (thinner, benzine, etc.), as they may damage the finish.
Periodical inspections
Your watch needs an inspection once every two or three years for safety and longer usage. To keep your watch water-resistant, the packing needs to be replaced regularly.
Other parts need to be inspected and replaced if necessary. Ask for genuine Citizen parts upon replacement.
13
10
§14. HANDS FITTING PROCEDURE
Hand installation method
Process Point of work
1
Installation of hands
There are convex parts for fixing the dial near
by the 3 and 9 o'clock positions. Fix the dial by setting its concave parts to the convex parts.
2
Preparation
for hand installation
Manual setting
(1) Pull out the crown from the normal
position to the second click position. Turn the crown counterclockwise (Turn the hands clockwise) and find the point at which the date dial starts moving (Rough positioning).
(2) Install the minute hand to the 12
o'clock position temporarily when the data dial starts.
60
24
30
14
Hand installation method
Process Point of work
3
Preparation
for hand installation
Manual setting
(3) Turn the crown clockwise (Turn the
hands counterclockwise) slowly and stop when the date dial returns (Move by 30 - 60 minutes).
(4) Turn the crown counterclockwise
(Turn the hands clockwise) more slowly and stop precisely when the date dial starts moving (Move by about 40 minutes).
(5) Repeat steps (3) and (4) again for
cofirmation to find the precise point at which the date dial starts moving.
4
Installation of hands
(6) Remove the minute installed
temporarily and install the second hand, 24-hour hand, hour hand, and minute hand to the 0 hour position.
Set in the case, and the work is completed.
60
24
30
60
24
30
60
24
30
11
15
12
§15. DISASSEMBLY AND ASSEMBLY OF MOVEMENT
E
310
M
JAPAN
C1
A1
AR
B1
EV
PUSH
CITIZ EN
WATCH CO.
NO JEWELS
E
310 M
JAPAN
C1
A1
AR
B1
EV
PUSH
CITIZ EN
WATCH CO.
NO JEWELS
295
923
720
279
923
246 903
227
100
923
701
025
023
087
028
072
075
027
190
750
923
246
923 246
019 071
227
067
017
084
285 076
064
087
027
212
065
190
190
16
13
226
310
902
107
019 109
922
186
103
719
087
087
084
285
233
922
293
922
027 109 027
922 714
087
087
084
285
108
108
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