Citizen C70 User Manual
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English
This watch is a combination quartz watch, with a race timer function for various
races such as yacht racing, etc., chronograph function, and timer function.
It also has a thermometer function and an EL (electroluminescence) light
function.
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CONTENTS
1. NAME OF PARTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
2. SETTING THE HANDS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
3. CHANGING DIGITAL FUNCTIONS (MODES) . . . . . . . . . . . . . . . . . . . . .8
4. USING EACH FUNCTION (MODE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
A. Time mode <TME> . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
B. Calendar mode <CAL> . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
C. Alarm 1 & 2 modes <AL-1, AL-2> . . . . . . . . . . . . . . . . . . . . . . . . . . .14
D. Chronograph mode <CHR> . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
E. Race timer mode <RACE> . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
F. Timer mode <TMR> . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
5. USING THE THERMOMETER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
6. LOW BATTERY INDICATOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
7. ALL RESET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
8. USING THE BEZEL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
9. PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
10. SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45
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Mode
Time Calendar Alarm 1
Name
Press once Switching ON/OFF
Button A Press for more EL light ON
than 2 seconds
Alarm monitor
Press once Thermometry Thermometry
Button B Press for more To time adjustment To calendar To alarm
than 2 seconds mode adjustment mode adjustment mode
Button M Press once To <CAL> mode To <AL-1> mode To <AL-2> mode
1: Mode mark display TME CAL AL-1
2: Digital display [1]
Hours, Minutes, Month, Date,
Set time, ON/OFF
Seconds Day of the week
3: Digital display [2] Temperature Temperature Temperature
1. NAME OF PARTS
Alarm 2 Chronograph Race Timer Timer
Switching ON/OFF Start/Stop Start/Stop Start/Stop
Alarm monitor
Split/Reset Set time adjustment Set time adjustment
To alarm Quick set time Quick set time
adjustment mode adjustment adjustment
To <CHR> mode To <RACE> mode To <TMR> mode To <TME> mode
AL-2 CHR RACE TMR
Set time, ON/OFF
Hours, Minutes, Minutes, Seconds, Minutes, Seconds,
Seconds Set time Set time
Temperature 1/1000 second Temperature Temperature
(1)Pull the crown out to stop the second
hand.
(2)Turn the crown to set the correct time.
(3)Press the crown back in to restart.
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4: Graphic display Always indicates graphic, syncronized with digital display 1
5: Crown Used for setting analog
6: Hour hand Always indicates time (hours)
7: Minute hand Always indicates time (minutes)
8: Second hand Always indicates time (seconds)
9: Thermosensor
Senses current temperature,
shown by digital display 2
2. SETTING THE HANDS
Second hand
Setting position
Analog and digital time can be set individually as a dual-time watch.
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Besides the time function, this watch has six other functions. Calendar, alarm 1,
alarm 2, chronograph, race timer and timer.
The current mode can be checked by the mode mark. Each time button M is
pressed, the watch mode changes in the following sequence.
<Automatic return function>
When the watch is left in alarm 1 or alarm 2 mode for more than 2 minutes, it
automatically returns to time mode.
3. CHANGING DIGITAL FUNCTIONS (MODES)
A. Time mode <TME>
When button A is pressed or being pressed in time mode, the EL light is turned
on.
When button B is pressed, the current temperature is recalculated.
4. USING EACH FUNCTION (MODE)
M
Mode mark
M
Temperature
Hours,
Minutes
Seconds
Summer time
ON mark
M
BA
Mode mark Mode (function)
TME Time
CAL Calendar
AL-1 Alarm 1
AL-2 Alarm 2
CHR Chronograph
RACE Race timer
TMR Timer
<Switching to summer time (daylight
saving time)>
(1)Press button B in time mode for
more than 2 seconds. The “SUM.”
and “ON/OF” starts blinking to
indicate that the watch enters time
setting mode.
(2)Press button A to set summer time
on or off.
Each time button A is pressed, the
summer time setting mode is
switched on (ON) or off (OF)
alternately.
(3)Press button M to return the watch
to normal time display.
[Normal time display]
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SUM.
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* When watch is set to the summer time (ON).
The “SUM.” appears and the watch indicates time that is one hour ahead of
standard time.
<Setting digital time>
(1)Press button B in normal time mode for more than 2 seconds. The “SUM.”
and “ON/OF
” starts blinking to indicate that the watch enters time setting
mode.
(2)Each time button B is pressed in time setting mode, the blinking figures
change from the “SUM.” to “seconds”, “minutes”, “hours”, “12-hour/24-hour”,
and to “SUM.” again. Use button B to select the figures you want to change.
(3)Adjust the blinking figures by pressing button A. (If button A is pressed
continuously, the figures change quickly.)
• The summer time display is switched ON/OF each time button A is pressed.
• For resetting seconds, press button A to restart from “00” second.
• The “12-hour/24-hour” indication system is switched alternately each time
button A is pressed.
(4)Press button M to return the watch to normal time display.
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• When setting time in 12-hour indication system, make sure it is correctly set
for the morning (A) or the afternoon (P).
• If the watch is left in time setting mode (figures blinking) for more than 2
minutes, it returns to normal time display automatically.
• If button M is pressed in time setting mode, the watch returns to normal time
display.
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B. Calendar mode <CAL>
When button A is pressed or being pressed in calendar mode, the EL light is
turned on.
When button B is pressed, the current temperature is recalculated.
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TEMP
M
BA
[Normal calendar display]
Month, Date Day of the week
Temperature
<Setting calendar>
(1)Press button B in calendar mode for more than
2 seconds. The “Month” starts blinking to
indicate that the watch enters calendar setting
mode.
(2)Press button B to select the setting “Month”,
“Date” or “Year”. Blinking figures move in order
from “Month” to “Date”, to “Year”.
(3)Press button A to adjust the blinking figures. (If
button A is pressed continuously, the figures
changes quickly.)
(4)Press button M to return the watch to normal
calendar display.
• The Year (in the Christian era) can be set between 1998 and 2099. (Year
display appears in calendar setting mode only.)
• If the watch is left in calendar setting mode (figures blinking) for more than 2
minutes, the watch returns to normal calendar display automatically.
• The correct day of the week is automatically set as a result of setting the year,
month and date.
• If the date is set to a non-existing date (for example, February 30), the watch
automatically displays the first day of the next month when it returns to normal
calendar display.
• This watch need not to set for the 1st day of every month due to the automatic
calendar function.
• If button M is pressed in calendar setting mode, the watch returns to normal
calendar display.
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