Citizen 677 User manual

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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
English
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

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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.

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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)

98
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)

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(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

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(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)

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(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)

1716
(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 Time Difference Quick Reference Chart>
Leap year
1st year
2nd year
3rd year
Time difference from
leap year (years)
2004
2005
2006
2007
Year Year
<Determination of the
number of years that
have elapsed since the
most recent leap year>
Moon age
correction
button
(A)
(B)
(C)
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1918
(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.
<Interpretation of Display>
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]
<Accurate Setting of Moon Age>
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)

2120
Reset Measurement End measurement
(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)