1. Manuals
  2. Brands
  3. Citizen Manuals
  4. Watch
  5. C720
  6. Instruction manual

Citizen C720 Instruction Manual

Combination quartz watch with a world time function
Hide thumbs
Table of Contents

Advertisement

Quick Links

1
M
6
9
B
2
8
TME
CHR
SET
MODE
MODE
TMR
AL-1
AL-2
AM
SET
TEMP.
60
SAT
A
3
7
5
4

Advertisement

Table of Contents
loading

Related Manuals for Citizen C720

Summary of Contents for Citizen C720

  • Page 1 MODE MODE AL-1 AL-2 TEMP.
  • Page 2 This watch is a combination quartz watch with a world time function, which displays the time in 30 world cities and the UTC (Coordinated Universal Time), and a thermometer function. It also includes an EL (electroluminescence) light function.

  • Page 3: Table Of Contents

    CONTENTS 8. CHRONOGRAPH MODE ........22 A.

  • Page 4: Name Of Parts

    1. NAME OF PARTS Mode Time • Calendar Alarm 1 or Zone Set Timer Chronograph Name Alarm 2 Time display Calendar/temperature display City selection display Press once Switching ON/OFF Start/Stop Start/Stop Button A EL light goes on EL light goes on Press more Alarm monitor than 2 seconds...

  • Page 5: Changing Modes (Functions)

    Mode mark 5: Crown To set analog time Mode mark Mode (function) (blinking) 6: Hour hand Always indicates time (hours) Time/Calendar 7: Minute hand Always indicates time (minutes) Zone Set* MODE 8: Second hand Always indicates time (seconds) AL-1 Alarm 1 AL-1 AL-2 Measures temperature,...

  • Page 6: Setting The Hands

    3. SETTING THE HANDS 4. TIME/CALENDAR MODE Second hand (1) Pull the crown out to stop the [Time display] [Calendar, temperature [City selection hands. display] display] (2) Turn the crown to set the correct Normal position time. Temperature City Second Second (3) Press the crown back in to restart.

  • Page 7: Changing The Display City

    <The time difference between the cities and UTC time> • The “city selection display” changes to “time display” when button g is pressed. • When you change to “calendar, temperature display,” the temperature will be Time Summer- No. Indication Time Summer- measured and displayed at 2-second intervals for approximately 2 minutes.

  • Page 8: Adjusting The Time And Calendar

    • Each time button A is pressed when SUMMER is blinking, the summer time C. Adjusting the time and calendar setting will alternatively switch on (ON) or (OFF). If the time and calendar settings for any of the 30 cities or the UTC are adjusted, •...

  • Page 9: Zone Set Mode

    * When the watch is left for approximately 2 minutes in the adjustment mode 5. ZONE SET MODE (blinking display), it will automatically return to normal display. * If button M is pressed in the adjustment mode, the watch will immediately For each of the 30 cities and the UTC this watch displays, it is possible to set a display/non-display setting, as well as a summer time setting (except for UTC).

  • Page 10: How To Set The Zone

    A. How to set the zone 6. ALARM 1 & 2 MODES (1) Press button B to display the zone setting city. Alarm 1 and Alarm 2 differ only in the sounds they make. They are used and set (2) Press button B continuously for more than 2 seconds. In the graphic display, in exactly the same way.

  • Page 11: Alarm On/Off And Alarm Monitor

    (4) Press button B. The “Minutes” figure will blink. 7. TIMER MODE (5) Press button A to set the “Minutes”. (6) Press button M to return to normal display. The timer can be set, in increments of 1 minute, for up to 100 hours. After a set time elapses, a time-up signal sounds for approximately 5 seconds.

  • Page 12: Timer Countdown

    B. Timer countdown <Confirmation sound> At the time of start, stop, reset or timer restart operation in timer mode, a (1) Press button A to start the timer at the set time. confirmation sound is heard. (2) If button A is pressed during timer countdown, the timer stops. If button A is pressed again, the timer restarts.

  • Page 13: Chronograph Mode

    8. CHRONOGRAPH MODE A. Total elapsed time measurment (1) The chronograph starts or stops each time button A is pressed. The chronograph is capable of measuring and indicating a maximum of 23 (2) To reset the chronograph, press button B after it is stopped. hours, 59 minutes, 59 seconds and 999 milliseconds in increments of 1/1000 second.

  • Page 14: Split Time Measurement

    <Changing the mode during time measurement in chronograph mode> 9. THERMOMETER Even if button M is pressed during a time measurement in chronograph mode A. Methods of measurement and mode is changed, time measurement is continued internally. The measured time is shown when the mode is returned to chronograph again. However, if the As described below, there are two methods of measuring temperature.

  • Page 15: Temperature Measurement Range And Accuracy

    B. Temperature measurement range and accuracy C. Switching between Celsius/Fahrenheit display In the Time mode’s “Date, calendar display,” by In Celsius (°C) In Fahrenheit (°F) pressing button M for more than 2 seconds while Temperature display range –9.9°C to +59.9°C 14°F to 139°F button A is pressed, the temperature display will A + M...

  • Page 16: Low Battery Indicator

    10. LOW BATTERY INDICATOR 11. ALL RESET When the battery gets weak, the low battery indicator function appears in the After replacement of the battery, be sure to perform the all reset operation as display as shown below. shown below. •...

  • Page 17: Precautions

    12. PRECAUTIONS CAUTION: Water-resistance performance Examples of use There are several types of water-resistant watches, as shown in the following table. For correct use within the design limits of the watch, confirm the level of water- resistance of your watch, as indicated on the dial and case, and consult the table.
  • Page 18 • Water-resistance for daily use (to 3 atmospheres): This type of watch is water- • If seawater enters the watch, place the watch in a box or plastic bag and resistant to minor exposure to water. For example, you may wear the watch immediately take it in for repair.
  • Page 19 WARNING: Handling of the battery • Do NOT leave the watch in a place where it is exposed to high temperature, • Keep the battery out of the reach of small children. If a child swallows the such as the glove compartment or dash-board of a car. battery, contact a physician immediately.

  • Page 20: Specifications

    13. SPECIFICATIONS 6. Additional functions • World time function: Displays time in 30 cities and UTC 1. Caliber No.: C720 • Thermometer function: Measures and displays temperature in either Celsius 2. Type: Combination (analog + digital) quartz watch or Fahrenheit 3.

Table of Contents