Citizen J304 Instruction Manual
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Citizen J304 Instruction Manual

Citizen J304 Instruction Manual

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  • Page 4: Table Of Contents

    CONTENTS 1. Features ..................3 2. Before Using ................3 3. Names of Components ............... 4 4. Setting the Time ................5 5. Setting the Date ................6 6. Using the Dual Time Function ............. 7 7. Using World Time function ............8 8.

  • Page 5: Features

    1. Features This is an analog solar-powered watch that is equipped with a solar cell incorporated in its face to convert solar energy into electricity. The watch is also equipped with the large and highly visible date indicator and the fan-shape 24-hour dial. 2.

  • Page 6: Names Of Components

    3. Names of Components * In the case the crown is of the screw-lock type, loosen the screw by turning the crown to the left before operating the crown, and after having returned the crown to the normal position following operation, turn the crown to the right while pushing it in to securely retighten it. Date Hour hand Minute hand...

  • Page 7: Setting The Time

    4. Setting the Time * For accurate setting of the time • Set in the time order of second hand,hour hand,minute hand,24-hour hand. (1) Pull the crown out to position 2 when the second hand reaches the 60-second position. (2) Turn the crown to set the time. The date changes when the time is about 2:00 AM.

  • Page 8: Setting The Date

    5. Setting the Date (1) Pull the crown out to position 1. (2) Turn the crown to the right to set the date. (Turning the crown to the left enables correction of the 24-hour hand.) (3) When the date was set, return the crown to the normal position. Pull the crown out to position 1 Date...

  • Page 9: Using The Dual Time Function

    6. Using the Dual Time Function Pull the crown out to position 1 (Turn to the left) 24-hour time correction 24-hour hand The 24-hour hand enables the setting of the time for another time zone. The 24-hour time setting can be made in 1-hour increments to enable use of the dual time function. (1) Pull the crown out to position 1.

  • Page 10: Using World Time Function

    7. Using World Time function * For models equipped with World Time function only The World Time function allows you to see the time in 24 major cities in the world. Crown for 24-hour 24-hour dial dial City names * The World Time function does not support Daylight Saving Time.
  • Page 11 <How to see the times in other cities> * Ex.: To see the time in New York Set “8” on the dial above Fig. for Ex. 1 below “TOKYO” is below “22” on “NEW YORK”. the dial. Ex. 1: To see the time in Tokyo at 8 o’clock in New York. (1) Turn the crown for 24-hour dial so that “8”...

  • Page 12: Special Functions Of Solar-Powered Watches

    8. Special Functions of Solar-Powered Watches This watch is provided with a function that causes a warning function to be activated when the watch is sufficiently charged that alters the display to inform the wearer of insufficient charge. If insufficiently chargeed state (2-second interval movement) continues for 3 days or more [Insufficient recharging [Normal time display]...
  • Page 13 <Insufficient Recharging Warning Feature> The second hand changes to two-second interval movement to inform the wearer of insufficient recharging. Although the watch will keep the correct time when this happens, the watch will stop when two-second interval movement continues for about 3 days. Place the watch in light to recharge.

  • Page 14: Charging Time

    9. Charging Time The time required for charging varies according to the model of watch (color of the watch face, etc.). The following table provides a general reference for determining charging times. Charging time (approx.) Illuminance Environment After stopping until one- For one For full (lux)

  • Page 15: Notes Regarding Handling Of Solar-Powered Watches

    10. Notes Regarding Handling of Solar-Powered Watches <Always make sure to recharge frequently> • Please note that if you wear long sleeves, the watch may stop as a result of being covered by your sleeve and blocked from the light. •...
  • Page 16 <Replacement of Secondary Battery> Since the secondary battery used in this watch is able to be charged and discharge repeatedly, it does not have to be replaced periodically in the manner of ordinary batteries. WARNING Handling of Secondary Battery • The secondary battery should never be removed from the watch. •...

  • Page 17: Helpful Hints

    11. Helpful Hints <The second hand is moving in two-second interval movement> • This indicates that the insufficient recharging warning feature has been activated. When this happens, recharge the watch promptly so that it returns to one-second interval movement. 2-second interval movement <If there is a discrepancy between the 24-hour hand and the hour hand>...

  • Page 18: Precautions

    12. Precautions CAUTION: Water-resistance performance 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. Minor exposure Indication to water...
  • Page 19 Examples of Use Moderate exposure Operation of the to water (washing, Marine sports (skin Scuba diving (with crown with moisture kitchen work, diving) air tank) visible swimming, etc.) * WATER RESIST (ANT) xx bar may also be indicated as W.R. xx bar.
  • Page 20 • If moisture has entered the watch, or if the inside of the crystal is fogged up and does not become clear within a day, immediately take the watch to your dealer or Citizen Service Center for repair. Leaving the watch in such a state will allow corrosion to form inside.

  • Page 21: Cleaning The Watch

    CAUTION: Keep your watch clean. • Leaving dust and dirt deposited between the case and crown may result in difficulty in pulling the crown out. Rotate the crown while in its normal position, from time to time, to loosen dust and dirt and then brush it off.
  • Page 22 CAUTION: Operating environment • Use the watch within the operating-temperature range specified in the instruction manual. Using the watch where temperatures are outside the specified range, may result in deterioration of functions or even stoppage of the watch. • Do NOT use the watch in places where it is exposed to high temperature, such as in a sauna. Doing so may result in a skin burn.
  • Page 23 Your watch needs inspection once in every two or three years for safety and long use. To keep your watch water-resistant, the packing needs to be replaced regularly. Other parts need to be inspected and replaced if necessary. Ask for Citizen geuine parts upon replacement.

  • Page 24: Specifications

    13 . Specifications 1. Model : J304 2. Type : Analog solar-powered watch 3. Timekeeping accuracy : Within±15 seconds per month on average (when worn at normal temperatures between 5˚C/41˚F and 35˚C/95˚F) 4. Operating temperature range : –10˚C/14˚F to +60˚C/140˚F 5.

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