Citizen 677 Instruction Manual
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Text of the manual
This watch is a multi-hand analog quartz watch equipped with numerous functions
including a chime function using an electronic tone, fully automatic calendar
function, which corrects the date for each month including leap years, and a
chronograph function that is able to measure time for up to 12 hours.
1. Main Features
CONTENTS
1. Main Features .......................................................................................... 3
2. Names of Components ............................................................................ 4
3. Before Use ................................................................................................ 7
4. Setting the Reference Position ................................................................ 9
5. Setting the Time ..................................................................................... 12
6. Setting the Calendar.............................................................................. 16
7. Using the Chronograph ........................................................................ 19
8. Troubleshooting ..................................................................................... 25
9. Cases Treated with Duratect ................................................................ 27
10. Precautions ........................................................................................... 28
11. Specifications ....................................................................................... 34
All repairs performed on this watch are to be performed at the CITIZEN.
When desiring to have your watch repaired or inspected, please contact
the Citizen Service Center either directly or through the store where you
purchased your watch.
Proper maintenance can only be received in the country where your
watch was purchased.
Notice
Continuously indicates hours
Continuously indicates minutes
Continuously indicates seconds
Continuously indicates the 24 hour clock
Chronograph
Chronograph hours
Year or hours (when chiming)
Continuously indicates the day
Continuously indicates the date
Hour hand
Minute hand
Second hand
24 hour hand
Date hand
Day hand
Month hand
Year hand
Display
Time/calendar
(Functions of Each Hand)
Hand
Chronograph seconds
Chronograph minutes
Month or minutes (when chiming)
Chronograph second
hand
Hour hand
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Minute hand
Second hand
Year hand
Month hand
Moon age
Date hand
Day hand
24 hour hand
Crown
Chronograph second hand
Button(B)
Button(A)
Button(C)
Moon age
correction button
2. Names of Components
The design may differ according to the model.
3. Before Use
Before using this watch, please check the reference positions of each hand using the
following procedure to ensure that each function operates properly.
Reference position: The initial position of each hand to ensure that this watch
functions properly.
1. Confirmation of Reference Position
(1) Put the crown in the normal position.
* Press button(C) for at least 2 seconds to switch
to the chronograph display. Check that the
hands are at the positions indicated below.
Chronograph second hand : 00.00 seconds
Year and month hands: 00:00 (12:00 position)
* Press button(A) for at least 2 seconds and
check that the date hand is at the position
indicated below.
Date hand:Z(Between 31 and 1)
(Functions of Each Button)
Crown position
Display
Button(A)
Button(B)
Button(C)
Crown
Moon age
correction
button
Normal position
1st position
2nd position
Time/calendar
Chronograph
Setting the calendar
Setting the time
Zero position check
Split
Reset
Yearly/Monthly
correction:
Clockwise direction
Setting of chime:
Clockwise
direction
Chime
Start/Stop
Yearly/Monthly
correction: Counter-
clockwise direction
Setting of chime:
Counter-clockwise
direction
To chronograph
display
To time/calendar
Date correction
Setting of hour,
minute, 24 hour
clock and day
Moon age correction (can be performed at any time regardless of crown
position)
(A)
(B)
(C)
4. Setting the Reference Position
The hands of the watch will not indicate the correct positions unless the reference
position is set properly. If the reference position has changed, reset it by following
the procedure described below.
* The reference position must also be reset after the battery has been replaced.
1. Perform the All-Reset procedure
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(1)Pull out the crown to the 2nd position.
(2)Press buttons(A),(B) and (C) simultaneously.
(3)When the buttons are released, the hands will
move in the order of the chronograph second
hand, date hand, and year and month hands.
A tone will sound confirming that All-Reset
has been performed when this procedure is
completed.
(2) Once you have confirmed that the hands are at the reference position, press
button(C) for at least 2 seconds to return the watch to the time and calendar display.
* If the hands are not at the reference position, set the reference position of each hand
by following the procedure described in “4. Setting the Reference Position” on the
following page.
(A)
(B)
(C)
(1) Press button(A) and set the year and month
hands to 00:00.
(2) Press button(B) and set the chronograph
second hand to 00.00 seconds.
(3) Press button(C) and set the date hand to the
Zposition.
* Pressing button(A) ,(B) or (C) continuously
causes the hands to advance rapidly.
(4) Always make sure to return the crown to the
normal position.
* After setting the reference position, always make sure to reset the time (basic time
and chime time) and the calendar.
If the crown is returned to the normal or 1st position without setting the
reference position after performing the All-Reset procedure, the reference
position failure alarm will be activated. At this time, the date hand will turn
counter-clockwise indicating that the reference position has not been set.
When this happens, pull out the crown to the 2nd position again, and perform
the procedure for setting the reference position.
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(A)
(B)
(C)
2. Setting the Reference Position
(1) Pull out the crown to the 2nd position so that the second hand stops at 0 seconds.
(2) Turn the crown in the clockwise direction (so that the hour and minute hands
rotate clockwise) to set the day.
* The day can be corrected rapidly by moving the hands back and forth between
9:00 PM and 1:00 AM.
(3) Turn the crown either to the right or left to set the hours, minutes and 24 hour
hand to the current time.
* Set the time while paying attention to AM and PM by looking at the 24 hour
hand.
(4) Always make sure to return the crown to the normal position.
5. Setting the Time
Once the time has been set for
the basic clock, always make
sure to set the time of the
chime clock according to the
time of the basic clock.
If the time is different
between the basic clock and
chime clock, the chime will
not sound at the correct time
shown on the basic clock
(current time).
1. Setting the Time and Day of the Basic Clock
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Hour hand
Day hand
Minute hand
24 hour
hand
Second hand
(A)
(B)
(C)
(Example): Current time is 4:34
4 hours: A high-pitched tone sounds 4 times at 1 second intervals.
30 minutes: A combination high-pitched and low-pitched tone sounds twice at 1 second
intervals 1 second after the hour tone has sounded.
4 minutes: A low-pitched tone sounds 4 times at 1 second intervals 1 second after the 30
minute tone has sounded.
* The chime clock is a convenient function that lets you know the time (hours and minutes).
3. Using the Chime Clock
(1) Pressing button(B) in the time and calendar display
informs you of the current time with an electronic
tone.
* The crown should be in the normal position.
(Interpretation of Chime Tones)
Hour tone: A high-pitched tone will sound at 1 second
intervals for the number of hours from 1:00
to 12:00 (there is no distinction between
AM and PM).
Minute tone: A combination high-pitch and low-pitch
tone will sound for every 15 minutes past
the hour. The number of minutes past
that 15 minute interval is sounded with a
low-pitch tone.
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2. Setting the Time of the Chime Clock
(1) Pull out the crown to the 2nd position so that
the second hand of the basic clock stops at 0
seconds.
(2) Push button(A) or (B) and set the year and
month hands to the time of the basic clock.
* Button(A): Hands move forward 1 minute
each time it is pressed.
* Button(B): Hands move backward 1 minute
each time it is pressed.
Pressing button(A) or (B) confinuosly causes
the hands to advance rapidly.
(3) The basic clock and chime clock can be synchronized with a telephone time service or
other official time service by pushing in the crown to the 1st or normal position at
the same time you hear the tone.
(4) The chime clock will return to the year and month display when the crown is pushed in.
Setting the chime clock to the time in another city based on the time of the basic clock
enables the chime clock to be used to indicate local time in that city. Press button(B)
to find out the local time.
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Month hand
Year hand
(A)
(B)
(C)
(A)
(B)
(C)
(3) Press button(C) to set the date.
* The date advances by 1 day each time button(C) is pressed.
Pressing button(A), (B) or (C) confinuosly causes the hands to advance rapidly.
(4) Return in the crown to the normal position.
Since the day is linked with the operation of the basic clock (24 hour, hour
and minute hands), make sure to also set the day when setting the time.
2008
2009
2010
2011
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Time difference from
leap year (years)
Leap year
1st year
2nd year
3rd year
(1) Pull out the crown to the 1st position.
(2) Press button(A) or (B) to set the month and
year (leap year for number of years passed
since the last leap year).
* Button(A) : The hand moves forward by 1 month
each time it is pressed.
* Button(B) : The hand moves backward by 1 month
each time it is pressed.
6. Setting the Calendar
1. Setting Date, Month and Year (Leap Year)
Leap year
1st year
2nd year
3rd year
Time difference from
leap year (years)
2004
2005
2006
2007
Year
Year
Moon age
correction
button
(A)
(B)
(C)
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(1)Press button(C) for least 2 seconds to switch from
the calendar display to the chronograph display.
*At this time, the month and year hands move to the
00:00 position (12:00 position) and stop.
1. Switching to the Chronograph
The chronograph is able to measure time in 1/4 second units to a maximum of 12 hours.
After 12 hours have elapsed, the chronograph returns to the chronograph reset display and
stops. The chronograph can also be used to measure split time (intermediate elapsed
time).
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7. Using the Chronograph
[Chronograph Reset Display]
* Measurement is canceled when the watch is switched to the calendar display during
chronograph measurement.
Chronograph seconds: Seconds are read with the
chronograph second hand.
Chronograph minutes: Minutes are read with the month
hand.
Chronograph hours: Hours are read with the year hand.
New moon
Moon age:0
(high tide)
First quarter
Moon age:
approx.7
(low tide)
Full moon
Moon age:
approx.15
(high tide)
Last quarter
Moon age:
approx.28
(low tide)
2. Setting the Moon Age
The moon age can be corrected regardless of the position of the crown.
(1)Press the moon age correction button to set the age of the moon.
* Look in a newspaper to find out the moon age for the day, and then set the moon
mark while referring to the moon age reference chart shown below.
The indication of
moon age is shown to
indicate the age of
the moon and not its
shape. It can be used
as a general indicator
of moon age.
[Moon Age Reference Chart]
Moon age can be set more accurately by setting the moon age either during a new
moon (when the moon mark is not visible; moon age: 0) or during a full moon
(when the moon mark is facing straight up (in the direction of 12:00); moon age:
approx. 15).
(A)
(B)
(C)
(display elapsed time)
4. Measurement of Split Time (Intermediate Elapsed Time)
(1) Press button(B) to start measuring time.
(2) Pressing button(A) stops each chronograph hand to display the split time.
* Measurement of time continues even though the hands are not moving.
(3) Pressing button(A) again cancels the display of split time after which
measurement continues with the time that elapsed during display of split time
added to the measured time (the chronograph hands begin to move again).
* Repeat steps (2) and (3) in the case of repeatedly displaying split time.
(4) Pressing button(B) when the split time is displayed ends split time
measurement.
(5) When button(A) is pressed, the time that elapsed during display of split time
is added to the measured time and that time is displayed.
(6) Pressing button(A) again resets the chronograph and each of the chronograph
hands returns to zero.
2. Simple Measurement
(1) Press button(B) to start measuring time.
(2) Press button(B) again to end measurement and display elapsed time.
(3) Pressing button(A) resets the chronograph and returns each
chronograph hand to zero.
3. Integrated Measurement
(1) Press button(B) to start measuring time.
(2) Press button(B) again to end measurement and
display elapsed time.
(3) Pressing button(B) again restarts measurement and
that time is integrated with the previous time.
* Measurement is started and stopped repeatedly each time button(B) is pressed.
(4) After ending measurement by pressing button (B) , pressing button(A) resets the
chronograph and returns each hand to zero.
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(A)
(B)
(C)
(A)
(B)
(B)
5. Simultaneous Measurement of 1st Place and 2nd Place
Times
(1) Press button (B) to start measuring time.
(2) Press button (A) when the 1st place competitor crosses the finish line. The
time of the 1st place competitor is displayed.
* Measurement of the time of the 2nd place competitor continues even while the
time of the 1st place competitor is being displayed.
(3) Press button(B) when the 2nd places competitor crosses the finish line. Time
measurement will stop at this point.
* The time of the 1st place competitor is still displayed.
(4) Press button(A) to display the time of the 2nd place competitor.
(5) Pressing button (A) again resets the chronograph and returns each of the hands
to zero.
Reset
Measurement
End measurement
(display elapsed time)
Split time
End split time
measurement
Split time display
(display of final
elapsed time)
(A)
(B)
(B)
(A)
(B)
(A)
(B)
(A)
1. The date hand is moving backward (in 1 second intervals)
* This indicates that the Reference Position Failure Alarm has been activated as
a result of not setting the reference position. Perform the All-Reset and
Reference Position Setting procedures by referring to “4. Setting the Reference
Position”.
2. The hands do not indicate the correct positions in each mode
* The hand reference positions may shift if the watch is subjected to a strong
impact and so forth. Perform the All-Reset and Reference Position Setting
procedures by referring to “4. Setting the Reference Position”.
3. Abnormal display or operation
* There may be extremely rare occasions on which the watch exhibits an abnormal
display or operation (such as the hands continually turning) as a result of the
effects of static electricity or strong impact. When this happens, perform the
All-Reset and Reference Position Setting procedures by referring to “4. Setting
the Reference Position”.
Measurement
Split time
(time of 1st
place competitor)
End
measurement
of split time
Display of final
elapsed time
(time of 2nd
place competitor)
Reset
(B)
(A)
(B)
(A)
(A)
[After Replacing the Battery]
* Always make sure to perform the All-Reset and Reference Position Setting
procedures by referring to "4. Setting the Reference Position" after replacing the
battery. If these procedures are not performed, the watch may not operate properly.
This product is provided with Citizen’s DURATECT coating. This platina
coating employs an ion plating technology originally developed by Citizen that
enhances surface hardness to roughly five times that of stainless steel for
outstanding wear resistance. DURATECT also protects the watch body from
scratches and maintains the inherent beauty and brightness of the metal for a long
period of time. (Gold parts are excluded)
Note: Please note that the watch may become scratched when scratched with hard
objects or subjected to strong impacts. In addition, this DURATECT coating is
not provided on certain parts of the watch (namely, the back cover of the case and
the band buckle).
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UProducts that have been treated with DURATECT are stamped with the word,
“Duratect”, on the back of the watch.
9. Cases Treated with Duratect
WARNING: Water-resistance performance
There are several types of water-resistant watches, as
shown in the following table.
The unit "bar" is roughly equal to 1 atmosphere.
* WATER RESIST(ANT) xx bar may also be indicated as
W.R. xx bar.
WATER
RESIST
or no indication
WR 50 or WATER
RESIST 50
WR 100/200 or
WATER RESIST
100/200
WATER
RESIST(ANT)
WATER
RESIST(ANT) 5 bar or
WATER RESIST(ANT)
WATER RESIST(ANT)
10bar/20 bar or
WATER RESIST(ANT)
Specifications
Water-resistant to
3 atmospheres
Water-resistant to
5 atmospheres
Water-resistant to
10/20 atmospheres
Minor exposure to water
(washing face, rain, etc.)
Moderate exposure to
water (washing, kitchen
work, swimming, etc.)
Marine sports
(skin diving)
Scuba diving
(with air tank)
Operation of the
crown or button
with moisture visible
For correct use within the design limits of the watch, confirm the level of water-
resistance of your watch, as indicated on the dial and case, and consult the table.
OK
OK
OK
NO
OK
OK
NO
NO
OK
NO
NO
NO
NO
NO
NO
Examples of use
WARNING: Water-resistance performance
• Water-resistance for daily use (to 3 atmospheres): This type of watch is water-resistant
to minor exposure to water. For example, you may wear the watch while washing your
face; however, it is not designed for use underwater.
• Upgraded water-resistance for daily use (to 5 atmospheres): This type of watch is
water-resistant to moderate exposure to water. You may wear the watch while
swimming; however, it is not designed for use while skin diving.
• Upgraded water-resistance for daily use (to 10/20 atmospheres): This type of watch
may be used for skin diving; however, it is not designed for scuba or saturated diving
using helium gas.
CAUTION
• Be sure to use the watch with the crown pressed in (normal position). If your watch
has a screw-lock type crown, be sure to tighten the crown completely.
• Do NOT operate the crown or button with wet fingers or when the watch is wet. Water
may enter the watch and compromise water-resistance.
• If the watch is used in seawater, rinse with fresh water afterward and wipe with a dry
cloth.
• If moisture has entered the watch, or if the inside of the crystal is fogged up and does
not become clear within a day, immediately take the watch to your dealer or Citizen
Service Center for repair. Leaving the watch in such a state will allow corrosion to
form inside.
• If seawater enters the watch, place the watch in a box or plastic bag and immediately
take it in for repair. Otherwise, pressure inside the watch will increase, and parts
(crystal, crown, buttons, etc.) may come off.
CAUTION: Keep your watch clean.
• Leaving dust and dirt deposited between the case and crown may result in difficulty in
pulling the crown out. Rotate the crown while in its normal position, from time to
time, to loosen dust and dirt and then brush it off.
• Dust and dirt tend to be deposited in gaps in the back of the case or band.
Deposited dust and dirt may cause corrosion and soil your clothing. Clean the watch
occasionally.
Cleaning the Watch
• Use a soft cloth to wipe off dirt, perspiration and water from the case and crystal .
• Use a soft, dry cloth to wipe off perspiration and dirt from the leather band.
• To clean a metal, plastic, or rubber watchband, wash away dirt with mild soap and
water. Use a soft brush to remove dust and dirt jammed in the gaps in the metal band.
If your watch is not water-resistant, take it to your dealer.
NOTE: Avoid using solvents (thinner, benzine, etc.), as they may mar the finish.
WARNING: Handling of the battery
• Keep the battery out of the reach of small children. If a child swallows the battery,
contact a physician immediately.
CAUTION: Replacing the battery
• For replacement of the battery, take your watch to your dealer or Citizen Service Center.
• Replace the battery as soon as possible if the service life of the battery has expired.
Leaving a depleted battery in the watch may result in leakage, which can damage the
watch severely.
CAUTION: Operating environment
• Use the watch within the operating-temperature range specified in the instruction manual.
Using the watch where temperatures are outside the specified range, may result in
deteri ctions or even stoppage of the watch.
• Do NOT use the watch in places where it is exposed to high temperature, such as in a
sauna.
Doing so may result in a skin burn.
• Do NOT leave the watch in a place where it is exposed to high temperature, such as the
glove compartment or dash-board of a car.
Doing so may result in deterioration of the watch, such as deformation of plastic parts.
• Do NOT place the watch close to a magnet.
Timekeeping will become inaccurate if you place the watch close to magnetic health
equipment such as a magnetic necklace or a magnetic latch of a refrigerator door or
handbag clasp or the earphone of a mobile phone. If this has occurred, move the watch
away from the magnet and reset the time.
• Do NOT place the watch close to household appliances that generate static electricity.
Timekeeping may become inaccurate if the watch is exposed to strong static
electricity, such as is emitted from a TV screen.
• Do NOT subject the watch to a strong shock such as dropping it onto a hard floor.
• Avoid using the watch in an environment where it may be exposed to chemicals or
corrosive gases.
If solvents, such as thinner and benzine, or substances containing such solvents come
in contact with the watch, discoloration, melting, cracking, etc. may result. If the watch
comes in contact with mercury used in thermometers,the case, band or other parts may
become discolored.
Periodical inspections
Your watch needs inspection once in every two or three years for safety and long use.
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 Citizen geuine parts upon replacement.
7. Battery: Battery no. 280-44 (SR927W)
8. Battery Life: Approx. 2 years (assuming that the chime sounds for 17 seconds/
day and chronograph measurement is used for 1 hour per/day)
* Specifications are subject to change without notice.
1. Caliber No: 677*
2. Type: Multi-hand analog quartz watch
3. Accuracy: Within ±20 seconds per month on average (when worn at normal
temperatures (+5°C to +35°C/41°F to 95°F)
4. Operating Temperature Range: -10°C to +60°C/14°F to 140°F
5. Display Functions:
* Time: Hours, minutes, seconds, 24 hour clock
* Calendar: Year, month, date, day, moon age
* Chronograph: 12 hour time measurement, 1/4 second units, split time
measurement function
6. Additional Functions:
* Calendar: Leap year and monthly correction function
* Moon age: Graphic wheel display function
* Chime function (chime clock)
* Reference position failure alarm function
* Second hand arbitrary stop function
11. Specifications
