CITIZEN WATCH CO., LTD.
• This watch is light-powered. Be sure your watch is fully charged before use.
• For complete instructions for setting, use, charging time and specifications, refer to the full instruction manual: B620 Click Here
• Illustrations for reference only. Actual
appearance of your watch may differ from
the illustrations above.
B620 Abbreviated instruction
ENGLISH
Component identification
0 1 2
Crown’s positions
Adjusting the time
1
Pull the crown out to position
when the second hand
points to 12:00 (0 second).
All the hands stop.
• When using chronograph, the chronograph is reset and 1/5
chronograph second hand returns to 0 second.
2
Rotate the crown to adjust the time.
• The 24-hour hand also moves. Pay particular attention to the
hand to ensure AM or PM time is set properly.
• When the watch shows around 12:00 AM, the date indicator
starts to change. The date indicator does not change by rotating
the crown counterclockwise.
3
Push the crown in to position
in accordance with a
reliable time source to finish the procedure.
Adjusting the calendar
Adjust the date indication on the first days of March, May, July,
October and December.
• When the time on the watch is between 9:00 PM and 1:00 AM, do
not execute the adjustment. Otherwise the date indication may
change improperly.
1
Pull the crown out to position
.
2
Rotate the crown counterclockwise to adjust the date.
3
Push the crown in to position
to finish the procedure.
Using the chronograph
1
Push the crown in to position
.
Start/stop:
press and release the upper right button
.
• Press and release the lower right button
to return the
chronograph minute hand to 00 minute position before starting
measurement if it is not at the position.
Reset:
press and release the lower right button
while the
chronograph is stopped.
60
120
90
100
1
10
130
140
150
180
200
500
400
300
250
65
70
75
80
24
12
420
816
60
30
1050
2040
60
45 15
30
7
Button :
Start/Stop
Button
:
Reset
1/5 chronograph second
hand
Chronograph minute hand
The 60-minute chronograph can indicate a maximum of 59’ 59.8”.
• After one hour of continuous chronograph operation, the
chronograph automatically stops.
• The current time is shown while the chronograph works.
• While the second hand is moving once every two seconds (the
insufficient charge warning function), you can not use the
chronograph.
Correcting the reference position of 1/5 chronograph
second hand
Do the following procedure when 1/5 chronograph second hand does
not return to 0 second by resetting the chronograph.
1
Pull the crown out to position
.
• The watch stops. All the hands stop.
2
Press and hold the upper right button
for 2 or more
seconds.
• You can adjust 1/5 chronograph second hand.
3
Adjust 1/5 chronograph second hand to 0 second by
pressing the upper right button
repeatedly.
Each time you press the button, 1/5 chronograph second hand
moves by 1 step.
• While you press and hold the button, the hand moves
continuously.
• Chronograph minute hand moves as 1/5 chronograph second
hand moves.
4
Rotate the crown to adjust the time.
5
Push the crown in to position
.
6
Press and release the lower right button
.
• When you press and release the button, chronograph minute
hand is reset.
60
120
90
100
1
10
130
140
150
180
200
500
400
300
250
65
70
75
80
24
12
420
816
60
30
1050
2040
60
45 15
30
7
Button
Button
Crown
24- hour hand
Minute hand
Date indicator
Second hand
1/5 chronograph
second hand
Chronograph minute
hand
Hour hand