CITIZEN QUARTZ
ALARM CHRONOGRAPH
Model No. AI3XXX
Cal. No. 6870
• INSTRUCTION MANUAL
CTZ-B6813
Thank you for purchasing a CITIZEN QUARTZ
Watch. To ensure correct use, please read these
instructions carefully. Please confirm that the
CITIZEN International Guarantee Card is included
for your possible claim.
1. Name of Components
Refer to diagram of the watch when reading this
section on components. The design may differ
depending on the model.
2. Mode (Display Function) Switching
This watch is equipped with 8 modes consisting of
time, alarm 1, alarm 2, chronograph, 0-position check,
timer, local time and calendar modes. The mode
changes each time the ࠗ
M button is pressed. The
current mode can be confirmed with the mode hand.
3. Before Using
Before using your watch, check that the functions of
the watch operate properly by following procedure
(0-position check).
1. Press button ࠗ
M to switch the
watch to the 0-position check
mode [ᮣ0ᮤ]. The hour hand,
minute hand, 24H hand,
second hand, date and function
hand will advance rapidly to
the 0-position (base position).
Hour, minute and 24H hands .......... 00:00 (24:00)
Second hand ................................... 00 seconds
Date ................................................. 1st
Function hand .................................. 0-position
(12:00 position)
* Perform the “0-Position Correction” procedure when
any hand is not at the 0-position. If this 0-position is
not correct, the hands will not show the correct
position (such as not returning to “00” when
resetting the chronograph).
✩ When one button ࠗ
A , ࠗB or ࠗC is pressed while in
the 0-position check mode, the hour, minute,
second and function hands will move to the left
and right following a demonstration program.
<0-Position Correction Procedure>
1. Pull button ࠗ
M out while in the 0-position check mode.
2. Press buttons ࠗ
A , ࠗB or ࠗC to correct the 0-position
of each hand.
The second hand can be corrected by pressing
button ࠗ
A .
The date and function hand can be corrected by
pressing button ࠗ
B .
* The date will be corrected by one day when the
function hand completes 4 revolutions. The 12:00
position, immediately after the date has changed
to “1”, is the 0-position.
The hour, minute and 24H hands can be
corrected by pressing button ࠗ
C .
Corrections can be made rapidly by holding down
any of the buttons.
3. Push button ࠗ
M in to the normal position.
* After correcting the 0-position of each hand,
switch to each mode to reset the time, calendar,
alarms and so forth.
0-Position: This refers to the base position
of each hand that enables the watch
to function properly.
