Citizen CTZ-D6758 User Manual

CITIZEN QUARTZ
NAVIHAWK
Model No. JNOXXX
Caliber No. C300
• INSTRUCTION MANUAL
CTZ-D6758
This combination watch can display the time in 30
cities of the world with a simple operation. In addition
to the time displayed in the analog section, the times
in 30 cities can be displayed in analog and digital
can easily be switched. This watch is a useful tool for
various purposes, such as on the international
business scene and when travelling.
Names and Functions
Look at the watch diagram at the beginning of this
instruction manual and refer to the location of the
parts.
Names of Parts:
Main Functions
[ 1 ] Minute hand
[ 2 ] Hour hand
[ 3 ] UTC Time Indicator (Displays
Coordinated Universal Time in hours
and minutes)
[ 4 ] Mode hand (Shows the mode selected
with the 
M button)
[ 5 ] 24-hour hand
[ 6 ] Displays the name of the city for which
the time is displayed in the digital
section [7]
[ 7 ] Displays the time or calendar
[ 8 ] Displays the functions of the 
A
button
[ 9 ] Displays the functions of the 
M
button
[ 10 ] Displays the functions of the 
B button
[ 11 ] Displays the functions of the 
C
button
1. Displaying the Time in 30 Cities of the
World
The Coordinated Universal Time (UTC) and
the time in 30 cities of the world can easily
be displayed.
Operation:
Press the 
M button to move the mode hand to
[TME]. The name of and time in a city will be
displayed at [6] and [7] and change in
sequence each time the 
A (UP) or C
(DOWN) button is pressed.
• The time in the analog and digital section
can be switched.
Operation:
Press the 
M button to move the mode hand to
either [TME] or [CAL]. Press the 
A and C
buttons simultaneously to switch between the
analog and digital section.
2. Displaying the Calendar in 30 Cities of the
World
The calendar in 30 cities of the world can
easily be displayed.
Operation:
Press the 
M button to move the mode hand to
[CAL]. The name of and calendar for a city will
be displayed in [6] and [7] and change in
sequence each time the 
A (UP) or C (DOWN)
button is pressed.
3. Three Alarms
The watch has three alarms, each with a
different tone. Each alarm can be set for the
time in any one of thirty cities. See “Using the
Alarm” for details.
4. Chronograph
The time can be measured up to 23 hours, 59
minutes, 59 seconds and 99 hundredths of a
second, displayed in increments as small as
one-hundredth of a second (1/100 sec). See
“Using the Chronograph” for details.
5. Timer
The countdown timer can be set from 1 to 60
minutes in increments of 1 minute. See “Using
the Timer” for details.
6. Zone Setting
The time displayed can be programmed so
that only the desired cities are displayed.
Using the zone setting function allows you to
display the desired time and calendar for a city
more efficiently. See “Using the Zone Setting
function” for details.

Citizen CTZ-D6758 Specifications

General

Brand	Citizen
Model	CTZ-D6758
Category	Watch
Language	English

Summary

Main Functions

Time and Calendar Display

Displays time in 30 cities and the calendar, with analog/digital switching.

Alarms, Chronograph, and Timer

Covers setting three alarms, using the chronograph, and operating the countdown timer.

Zone Setting and Navigation

Enables programming desired cities for display and setting time zones.

Names and Functions

Parts Identification

Identifies the various parts of the watch and their corresponding functions.

Changing Modes

Mode Transition Sequence

Explains the sequence for switching between different watch modes using the mode hand.

Analog/Digital Time Switching

Details how to switch the displayed time between analog and digital sections.

Using the Zone Setting Function

Zone Setting Preparation and Operation

Guides on selecting cities for display or skipping them using the zone setting function.

Time Adjustment for Cities

Explains how to adjust time for one city, automatically updating others based on differences.

Time and Calendar Adjustment

Adjusting Time Settings

Provides step-by-step instructions for setting the time and adjusting segments.

Adjusting Calendar Settings

Details the process for setting the month, date, and year, with automatic day correction.

Using Alarms and Chronograph

Setting and Managing Alarms

Explains how to set and manage three distinct alarms with different tones.

Chronograph Operation

Covers basic measurement, split time function, and resetting the chronograph.

Timer and Convenient Functions

Operating the Timer

Details setting and using the countdown timer, including start, stop, and reset functions.

Hand-Retractor and Reset Functions

Explains the hand-retractor for analog display visibility and ALL RESET/zero positioning.

Using the Register Ring

Calculation Function

Explains how to use the calculation function of this watch with the register ring.

Navigational Calculations

Details various navigational calculations using the watch's scales and provides examples.

General Calculation Functions

Unit Conversion

Explains how to convert between different units using the watch's scales.

Basic Arithmetic Operations

Covers multiplication, division, proportion, and square root using the watch's scales.

Watch Care and Maintenance

Water Resistance and Cleaning

Details water resistance, care for wet conditions, and cleaning procedures.

Environmental and Physical Precautions

Advises on avoiding temperature extremes, shock, magnetism, and chemicals.

Specifications

Technical Details

Lists watch model, quartz frequency, accuracy, and operating temperature range.

Functions and Power Cell

Details available functions, power cell type, and estimated battery life.

Water Resistance Explained

Understanding Water Resistance Ratings

Explains water resistance levels, pressure equivalents, and gasket maintenance.

Care for Wet Conditions and Jacuzzis

Provides guidance on handling moisture, cleaning, and avoiding hot tubs/jacuzzis.