Citizen H240 Instruction Manual
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Citizen H240 Instruction Manual

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Summary of Contents for Citizen H240

  • Page 3 Thank you for your purchase of this Citizen watch. Before using the watch, read this instruction manual carefully to ensure correct use. After reading, be sure to store this manual in a safe place should it be needed for future reference.

  • Page 4: Safety Precautions

    Safety precautions This manual may contain certain safety advisories. Your watch should be used in accordance with these advisories at all times to ensure optimal enjoyment of your watch and to prevent injury to yourself, other persons and/or damage to property. ■...
  • Page 5 ■ Important instructions are categorized and depicted in this manual as follows: Warning (caution) symbol followed by instructions that should be followed and/or precautions that should be observed. Warning (caution) symbol followed by prohibited use and/or operation advisory. <Notes before use—Protective stickers> Prior to the watch being shipped from the manufacturing plant, its glass, case, metal band, and metal parts of the clasp are covered with stickers to protect them from getting fingerprints or scratches during transit from the plant to the store.

  • Page 6: Before Using The Watch

    Before using the watch The following must be done before using the watch: Checking the power reserve Page Check the charge level of the watch. Setting the World Time Page Select the city or time difference for which you want to indicate the time and date. Checking the time signal reception Page Check the result of the time signal reception.
  • Page 7 This watch has a rechargeable cell which is charged by exposing the dial to light such as direct sunlight or fluorescent lamps. Expose the dial to light regularly to charge the watch. For details of charging, see pages 10 to 15.

  • Page 8: Table Of Contents

    Table of contents Before using the watch ....Receiving the time signal manually (On demand reception) ... Component identification.... Switching Summer Time and Recharging your watch ....standard time ......Checking the power reserve ..Adjusting the time/calendar Checking the time signal manually ........
  • Page 9 Troubleshooting ......Information ......Resetting the watch Specifications......—All Reset ......Eco-Drive (solar powered) Watch Handling Precautions ..... Water resistance ....... Precautions and usage limitations ......Maintenance ......

  • Page 10: Component Identification

    Component identification Signal reception indication • OK/NO: Reception result Minute hand • RX: Reception in progress Crown Hour hand Crown position Summer Time indication Date indication (ON/OFF) Lower right button ( City or time difference indication Second hand The illustrations in this instruction manual may differ from the actual appearance of your watch.
  • Page 11 Component identification How to use the screw down crown and screw down push button Some models feature a screw down crown and/or screw down push button. Locking the crown and/or button prevents accidental operation. These must be unlocked prior to using certain features of your watch such as setting the time or date. Unlock Lock Push the crown in to the case.

  • Page 12: Recharging Your Watch

    Recharging your watch This watch has a rechargeable cell which is charged by exposing the dial to light, such as direct sunlight or fluorescent lamps. After taking off the watch, put it in a location where the dial is exposed to bright light, such as by a window. The charge of the watch is low if the second hand rotates counterclockwise when you check the power reserve (page 16) or the...
  • Page 13 Recharging your watch In addition, for optimal performance, perform the following: • Expose the watch with the dial facing towards direct sunlight for five to six hours at least once a month. • Before storing the watch in a dark place for an extended period of time, be sure to charge it fully.
  • Page 14 Recharging your watch Charging time by environment Below are the approximate times required for charging when exposing the watch dial to light continuously. Please use this table as a reference only. Under direct 20 cm (7-7/8 inches) Interior Environment sunlight or cloudy away from a fluorescent lighting weather...
  • Page 15 Recharging your watch To charge the rechargeable cell fully, it is recommended to expose the dial to direct sunlight. A fluorescent lamp or interior lighting does not have sufficient illumination to charge the rechargeable cell fully. • When fully charged, the overcharging prevention function works automatically. The accuracy or parts of the watch will not be affected by extra charging.
  • Page 16 Recharging your watch When the watch reaches a low charge state—insufficient charge warning function When the power reserve becomes low, the second hand moves once every two seconds—This is the insufficient charge warning function. Charge the watch by exposing the dial to light. •...
  • Page 17 Recharging your watch Power save feature When the watch is not exposed to light for more than seven days, such as when you store it in the dark, the minute hand and second hand automatically stop to save power. However, the watch still keeps the time. •...

  • Page 18: Checking The Power Reserve

    Checking the power reserve 1. Ensure that the crown is in position 2. Press the lower right button briefly. The second hand moves to indicate the power reserve. The second hand The watch is sufficiently indicates “OK” or “NO” charged. The second hand rotates The charge of the watch is low.

  • Page 19: Checking The Time Signal

    Checking the time signal reception 1. Ensure that the crown is in position 2. Press the lower right button briefly. The second hand indicates the reception result. OK Reception has succeeded. NO Reception has failed. When reception has failed, see page 32.

  • Page 20: Setting The World Time

    Setting the World Time By setting the city or time difference from UTC, the local time and date is shown. Select the city or time difference to indicate the current time and date. • Whether you select the city or time difference depends on the appearance of your watch.
  • Page 21 Setting the World Time Setting the city Select the city for which you want to indicate the time and date. 1. Pull the crown out to position The second hand moves and indicates the city currently selected. 2. Rotate the crown to select the city for which you want to indicate the time and date.
  • Page 22 Setting the World Time Setting the time difference 1. Pull the crown out to position The second hand moves and indicates the time difference currently selected. 2. Rotate the crown to select the time difference. • You can select the time –...
  • Page 23 Setting the World Time 3. Push the crown in to position to finish the procedure. • Be sure to set the time difference from UTC. To show the summer time, change the display after setting the time difference. (See pages 36 to 41.) •...
  • Page 24 Setting the World Time Table of selectable cities/time differences • The signal station changes depending on the selected city/time difference. • Cities out of receivable range cannot receive the signal though a signal station is assigned in the list. • For cities indicated by , the watch shows Summer Time/standard time in common.
  • Page 25 Setting the World Time Time Typical city City indication or second hand position Signal from... difference London London Paris Paris Germany Athens Athens Riyadh Riyadh Dubai Dubai Karachi Karachi Dhaka Dhaka China Bangkok Bangkok Beijing Beijing Continued on the next page...
  • Page 26 Setting the World Time Time Typical city City indication or second hand position Signal from... difference Tokyo Tokyo Sydney Sydney Japan Noumea Noumea Auckland Auckland Midway Island –11 Midway Honolulu –10 Honolulu Anchorage –9 Anchorage Los Angeles –8 L.Angeles Denver –7 Denver Chicago...
  • Page 27 Setting the World Time Time Typical city City indication or second hand position Signal from... difference Santiago Santiago Rio de Janeiro R.Janeiro Fernando de F.Noronha Noronha Germany Azores Azores (Ponta Delgada)

  • Page 28: Notes On The Time Signal

    Notes on the time signal reception Receiving the time signal There are three ways to receive the time signal: • The second hand indicates the reception result (OK/NO). (See page 17.) Methods Explanations Receives the signal at 2:00 a.m. every day. If reception is Automatic reception unsuccessful, the watch tries to receive at 3:00 a.m.
  • Page 29 Notes on the time signal reception • The automatic reception function and recovery automatic reception function cannot be deactivated. • Even when this watch receives the time signal successfully, the accuracy of the displayed time will be dependent on the reception environment and internal processing.
  • Page 30 Notes on the time signal reception Note on the time signal This watch receives the time signal from one of the five signal stations located in four regions. The receivable signal stations are listed as follows: Signal stations Kind of the time signal Fukushima station, Japan Kyushu station, Japan Fort Collins station, Denver, Colorado, USA...
  • Page 31 Notes on the time signal reception Approximate receivable area The receivable range is often affected by the receiving environment, weather, and season. Use the diagram only as an approximate value. (Japan): Approx. 1000 km Kyushu station (Japan): Approx. 1000 km Fukushima station Continued on the next page...
  • Page 32 Notes on the time signal reception The receivable range is often affected by the receiving environment, weather, and season. Use the diagram only as an approximate value. WWVB (USA): Approx. 1500 km Fort Collins station...
  • Page 33 Notes on the time signal reception The receivable range is often affected by the receiving environment, weather, and season. Use the diagram only as an approximate value. (China): Approx. 1400 km Shangqiu station DCF77 (Germany): Approx. 1000 km Mainflingen station...
  • Page 34 Notes on the time signal reception When signal reception is poor High-tension electrical lines or other structures near your house may block the path to the signal station. This may result in a poor environment for receiving the time signal. With reference to pages 29 to 31, search for a better place for reception.
  • Page 35 Notes on the time signal reception Poor reception areas It may be difficult to receive the time signal properly under certain environmental conditions or in areas susceptible to radio noise. • Extremely hot or cold • Near high-tension electrical locations lines, railway overhead wires or communication facilities •...

  • Page 36: (On Demand Reception)

    Receiving the time signal manually (On demand reception) You can adjust the watch by receiving the time signal any time when the time and date are not correct or the reception result is “NO. ” • The watch will not start to receive if the second hand is moving once every two seconds (this is the insufficient charge warning).
  • Page 37 Receiving the time signal manually (On demand reception) 1. Ensure that the crown is in position 2. Press and hold the lower right button for two or more seconds. The second hand moves to “RX” and the watch starts receiving. After receiving the time signal, the second hand will move normally.

  • Page 38: Switching Summer Time And

    Switching Summer Time and standard time Summer Time is a system adopted in some countries/areas to gain an extra hour of daylight during summer by advancing clocks by one hour. • The summer time rules may change depending on the country or area. •...
  • Page 39 Switching Summer Time and standard time Checking the time currently shown Check whether the watch shows Summer Time or standard time. 1. Pull the crown out to position The second hand moves and indicates which time is currently shown. ON Summer Time is shown The standard time is shown When Summer Time is...
  • Page 40 Switching Summer Time and standard time Changing the time to show 1. Pull the crown out to position 2. Rotate the crown to change the time to show. To show Summer Time: Rotate the crown to the right to select “ON. ” To show the standard time: Rotate the crown to the left to select “OFF.
  • Page 41 Switching Summer Time and standard time <The time shown for each city> The watch shows and memorizes Summer Time/standard time in common for the following cities/time differences in each area so you do not need to change them for each city/time differences. •...
  • Page 42 Switching Summer Time and standard time To cancel the automatic switching function If you manually show the standard time in step 2 on page 38, the automatic switching function is deactivated and the watch will not show Summer Time by signal reception. If you are in an area that receives the summer time check signal but does not adopt Summer Time, deactivate the automatic switching function.
  • Page 43 Switching Summer Time and standard time To activate the automatic switching function again Select “ON” in step 2 on page 38 to show Summer Time. • This operation also activates the automatic switching function. • If you activate the automatic switching function when Summer Time season is not in effect, receive the time signal to show the standard time.

  • Page 44: Adjusting The Time/Calendar Manually

    Adjusting the time/calendar manually 1. Pull the crown out to position 2. Press the lower right button briefly. The second hand moves to the 0 second position. 3. Rotate the crown to adjust the minute. • The second hand rotates around once and the minute hand moves one minute.
  • Page 45 Adjusting the time/calendar manually 5. Rotate the crown to adjust the hour and date. • The hour hand and the date indication work together. • If you spin the crown quickly a few times, the hand will move continuously. To stop it, rotate the crown in either direction.

  • Page 46: Month And Year Indications

    Adjusting the time/calendar manually Month and year indications The year and month are indicated by the second hand when you adjust the time and calendar manually. The date is corrected automatically at the end of each month if the number of years passed since the last leap year and month are set correctly. Nov.
  • Page 47 Adjusting the time/calendar manually The figure shows February The figure shows September in the 3rd year since the last in the 2nd year since the last leap year. leap year. Quick reference chart for the number of years passed since the last leap year Indication of the second hand Passed year Year...

  • Page 48: Checking And Correcting The Current

    Checking and correcting the current reference position If the time or date is not shown correctly even after proper reception of the time signal, check whether the reference position is correct or not. What is the reference position? Correct reference position The base position for all the hands to indicate the time and date.

  • Page 49: Reference Position

    Checking and correcting the current reference position 1. Pull the crown out to position 2. Press and hold the lower right button for five or more seconds. All hands and the date indication move to indicate the current reference position. •...
  • Page 50 Checking and correcting the current reference position 3. Pull the crown out to position The hour hand moves slightly. 4. Rotate the crown to adjust the hour hand to the “0:00:00” position and the date indication to the halfway between “31” and “1.” •...
  • Page 51 Checking and correcting the current reference position 5. Press the lower right button briefly. The minute hand and second hand move slightly. 6. Rotate the crown to adjust the minute hand and second hand to the “0:00:00” position. • If you spin the crown quickly a few times, the hands will move continuously. To stop them, rotate the crown in either direction.

  • Page 52: Troubleshooting

    Troubleshooting If you have a problem with your watch, check the table below. Symptoms Remedies Page Problems with time signal reception. − Push the crown in to position Check the World Time setting. Avoid things likely to interfere with the time signal and Reception is place the watch with the 9:00 position facing toward the unsuccessful in a...
  • Page 53 Troubleshooting Symptoms Remedies Page The correct time and date Check the World Time setting. are not indicated after successful reception. Check and correct the current reference position. The hands do not work properly. The second hand rotates counterclockwise when Charge the watch. you check the reception result.
  • Page 54 Troubleshooting Symptoms Remedies Page The hands do not work properly. The hands start turning The watch is canceling the power save feature. Wait rapidly as you take the until the rapid movement stops. watch out of the case. The time and/or date is incorrect. Check the World Time setting.
  • Page 55 Charge the watch by exposing it to direct sunlight The hands do not move for five to six hours. even if the watch is If the problem is not solved after charging, contact charged. your nearest Authorized Citizen Service Center. 53 53...

  • Page 56: All Reset

    Troubleshooting Resetting the watch—All Reset The watch may not work properly if it is affected by strong shock or static electricity; the hands do not stop or the watch does not work though the watch is sufficiently charged. In this case, perform All Reset. Caution •...
  • Page 57 Troubleshooting 1. Pull the crown out to position 2. Press the lower right buttons for seven or more seconds, then release them. The second hand moves to the “0” second position, the hour hand and date indication move slightly, and the watch is reset. •...

  • Page 58: Eco-Drive (Solar Powered) Watch Handling Precautions

    Eco-Drive (solar powered) Watch Handling Precautions <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. • When you take off the watch, try to place it in as bright a location as possible.
  • Page 59 Eco-Drive (solar powered) Watch Handling Precautions CAUTION Recharging Precautions • Do not charge your watch at high temperatures (60°C/140°F) as this may cause damage to sensitive components and the watch to malfunction. Examples: • Charging the watch too close to a light source which generates a large amount of heat such as an incandescent lamp or halogen lamp.
  • Page 60 Eco-Drive (solar powered) Watch Handling Precautions <Replacement of Rechargeable Cell> • Your watch features a cell that does not need regular replacement. However, after an extended period of time, power consumption may increase due to deterioration of lubrication in the movement. This may result in shorter than expected run time. Be sure to have your watch regularly inspected by an Authorized Service Center.
  • Page 61 Eco-Drive (solar powered) Watch Handling Precautions WARNING Use Only the Specified Rechargeable Cell • Never install a conventional battery in your watch. Only use the specified rechargeable cell. Your watch is designed to operate only with the original type of rechargeable cell. It is not designed to run or be used with a conventional type of battery.

  • Page 62: Water Resistance

    Water resistance WARNING Water Resistance • Refer to the watch dial and the case back for the indication of the water resistance of your watch. The following chart provides examples of use for reference to ensure that your watch is used properly.
  • Page 63 Water resistance Water-related use Minor exposure Operate the crown to water (washing Swimming and Skin diving, Scuba diving or button when the face, rain, etc.) general washing work marine sports using an air tank watch is wet...
  • Page 64 Water resistance • Non-water resistant watches cannot be used underwater or in environments in contact with water. • Water-resistance for daily use (to 3 atmospheres) means that the watch may be worn while washing your face or in the rain, but is not to be immersed in water. •...

  • Page 65: Precautions And Usage

    Precautions and usage limitations CAUTION To Avoid Injury • Be particularly careful when wearing your watch while holding a small child, to avoid injury. • Be particularly careful when engaged in strenuous exercise or work, to avoid injury to yourself and others.
  • Page 66 Consult the shop where you purchased the watch or your nearest Authorized Citizen Service center. If you purchase a product which is sold with a special tool for band adjustment, you may carefully adjust the band yourself.

  • Page 67: Static Electricity

    Precautions and usage limitations • A rubber type strap may become stained by dyes or soils found in clothing and other accessories. Since these stains may become permanent, take caution when wearing your watch with items that may transfer color (articles of clothing, purses, dyed bracelets, etc.). •...
  • Page 68 Precautions and usage limitations <Strong Shock> • Avoid dropping the watch or subjecting it to other strong impact. It may cause malfunctions and/ or performance deterioration as well as damage to the case and bracelet. <Chemicals, Corrosive Gasses and Mercury> •...
  • Page 69 Precautions and usage limitations • The case and band of the watch come in to direct contact with the skin. This may result in unnoticed accumulations of dirt and foreign matter caused by normal wear. Accumulated matter may cause rust, discoloration, and premature wear. Be sure to regularly clean your watch with a soft cloth.

  • Page 70: Maintenance

    Your watch needs an inspection once every two or three years for safety and longer usage. To keep your watch water-resistant, the gaskets and other components need to be replaced regularly. Other parts need to be inspected and replaced if necessary. Always ask for genuine Citizen parts upon replacement.

  • Page 71: Information

    Information The time signal The time signal is broadcast almost continuously 24-hours a day, but may occasionally be interrupted due to maintenance. The broadcasting conditions of the time signal can be checked on the station web site. The time signal has no effect on the human body or medical equipment. About the Watch with Luminous Paint Your watch may feature luminous treatment to the dial and hands to aid you in reading the watch in dimly lit environments.

  • Page 72: Specifications

    Specifications H240 Analog solar-powered watch Model Type Within ±15 seconds per month when worn at normal operation Timekeeping accuracy temperatures (between +5˚C and +35˚C) (without the time signal reception) −10˚C to +60˚C Operating temperature range • Time: Hours, minutes, seconds Display functions •...
  • Page 73 Specifications • Solar power function Additional • Power reserve indication functions • Overcharging prevention function • Insufficient charge warning function (two-second interval movement) • Energy saving function (power save feature) • Receiving time signal (automatic, on demand, recovery automatic) • Confirming reception status (RX) •...

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