Citizen Eco-Drive E784 Instruction Manual
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Citizen Eco-Drive E784 Instruction Manual

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NSTRUCTION MANUAL

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Summary of Contents for Citizen Eco-Drive E784

  • Page 1 NSTRUCTION MANUAL...
  • Page 2 After reading the manual, store it in a safe place for future reference. Be sure to visit the Citizen website at http://www.citizenwatch-global.com/ . Here you will find a variety of information such as electronic setting guides, answers to frequently asked questions, Eco-Drive recharging information and more.
  • Page 3 Safety precautions — IMPORTANT This manual contains instructions that should be strictly followed at all times not only for optimal use, but to prevent any injuries to yourself, other persons or property. We encourage you to read the entire booklet (especially, pages 40 to 53) and understand the meaning of the following symbols: ■...
  • Page 4 Safety precautions ■ Important instructions are categorized and depicted in this manual as follows: (Following symbols are examples of Pictograms.) Warning (caution) symbol followed by prohibited matters. Warning (caution) symbol followed by instructions that should be followed or precautions that should be observed.

  • Page 5: World Time

    Summer time (DST) setting is also available. Eco-Drive „ „ No periodical battery replacement is needed. This watch is fueled by light. Perpetual calendar „ „ No need for monthly and leap-year date correction until February 28, 2100. • “Eco-Drive” is an original technology of Citizen.
  • Page 6 CONTENTS Before using this watch . . . . . . . . . . . . . . . . . . . . . . . . . . . Band adjustment .

  • Page 7: Table Of Contents

    CONTENTS Correcting the reference position . . . . . . . . . . . . . . . . . Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Symptom and remedies .
  • Page 8 Before using this watch This watch has a rechargeable cell which is charged by exposing the dial to light. Expose the dial to direct sunlight regularly to charge the watch. For details of charging, see page 20 -. Adjust settings of the world time and summer time (DST) correctly before time and calendar adjustment.
  • Page 9 Before using this watch Band adjustment We recommend seeking the assistance of an experienced watch technician for sizing of your watch. If adjustment is not done correctly, the bracelet may unexpectedly become detached leading to loss of your watch or injury. Consult an authorized service center.

  • Page 10: Continued On The Next

    Before using this watch How to use a specially designed crown/button Some models are equipped with a specially designed crown and/or push button to prevent accidental operation. Screw down crown/button Unlock the crown/button prior to operate your watch. Unlock Lock Push the crown in to the Rotate the crown case.
  • Page 11 Before using this watch Recessed button Press the button with a non-marring narrow-tipped object. • Metal objects may cause marring or scratching of the button.
  • Page 12 Component identification Minute hand Hour hand Button Crown Summer time (DST) setting SMT ON/OFF Date indication Second hand Area indication • The illustrations in this instruction manual may differ from the actual appearance of your watch. • A solar cell is placed under the dial.
  • Page 13 Setting the world time This watch can indicate the time around the world by choosing one of 26 time zones. Pull the crown out to position 1 . The second hand points the time zone currently set. Ex. : When the time zone set is “...
  • Page 14 Setting the world time Rotate the crown clockwise while the second hand points the time zone currently set to choose a new time zone. The hour and minute hands start moving as you finished to select a different area. • For details of areas and time zones, see “Table of time zones and representative places”...
  • Page 15 Setting the world time Table of time zones and representative places • Countries or regions may change time zones for various reasons. • When using the watch in an area not listed in the table, select an area name in the same time zone.
  • Page 16 Setting the world time Time zone Second hand position Area name Representative area 18 seconds Bangkok 21 seconds Beijing/Hong Kong 23 seconds Tokyo 25 seconds Adelaide +9.5 28 seconds Sydney 30 seconds Noumea 32 seconds Auckland Continued on the next page...
  • Page 17 Setting the world time Time zone Second hand position Area name Representative area 35 seconds Midway –11 37 seconds Honolulu –10 39 seconds Anchorage –9 42 seconds Los Angeles –8 44 seconds Denver –7 46 seconds Chicago –6 49 seconds New York –5...
  • Page 18 Setting the world time Time zone Second hand position Area name Representative area 51 seconds Manaus –4 53 seconds Rio de Janeiro –3 56 seconds Fernando de Noronha –2 58 seconds Azores –1 • The offsets in the table are based on the standard time (UTC).
  • Page 19 Setting summer time (DST) Summer time (DST: Daylight Saving Time) is a system adopted in some countries/ areas to gain an extra daylight during summer. • The summer time (DST) period varies depending on the country or area. • The summer time (DST) rules may change depending on the country or area. •...
  • Page 20 Setting summer time (DST) Rotate the crown to switch the summer time (DST) setting ( SMT ON/OFF ). The hour and minute hands start moving as the setting changed. Summer time (DST) is indicated. SMT ON The standard time is indicated. SMT OFF •...
  • Page 21 Charging your watch This watch has a solar cell under the dial and stores the power generated by the cell in its built-in rechargeable cell. The cell is charged by exposing the dial to light such as direct sunlight or fluorescent lamps. For optimal performance, be sure to: •...
  • Page 22 Charging your watch CAUTION • Do not charge the watch at a high temperature (about 60°C (140°F) or higher) as doing so may cause movement malfunction. • If the watch is obscured from light by long sleeves frequently, supplemental charging may be needed to ensure continual operation. •...
  • Page 23 Charging 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. Be sure to fully charge your watch immediately as outlined on page 24.
  • Page 24 Charging your watch During the insufficient charge warning state The time and date are indicated correctly. • You cannot adjust time and calendar. • You cannot change settings of world time and summer time (DST). Continued on the next page...
  • Page 25 Charging your watch Charging time by environment Below are the approximate charging times when exposing to light continuously. Please use this table as a reference only. Charging time (approx.) Illuminance To start working To become fully Environment (lx) To work for one day normally when the charged when the cell cell is discharged...
  • Page 26 Charging your watch Power save function The second hand stops automatically to save power when the watch has been kept in a dark place for a certain period of time and it cannot generate power. • The watch works normally even while saving power. •...
  • Page 27 Adjusting the time and calendar Before adjusting time and calendar, check the time zone of the time and calendar to set and its summer time (DST) status and adjust the setting of world time (page 12) and that of summer time (DST) ( SMT ON/OFF ) (page 18) correctly. Setting the time Pull the crown out to position 2 .
  • Page 28 Adjusting the time and calendar Rotate the crown to set hour and minute. • When you rotate the crown quickly a few times, the hand/ indication will move continuously. To stop the rapid movement, rotate the crown in either direction. •...
  • Page 29 Adjusting the time and calendar Adjusting the calendar Press the button while the crown’s position is 0 . The second hand indicates the current summer time (DST) setting. • Execute the next step within 10 seconds. Press and hold the button for 2 seconds or more while the second hand indicates the summer time (DST) setting.
  • Page 30 Adjusting the time and calendar Rotate the crown clockwise to adjust the year and month setting. • See page 30 for instructions on how to read the month and leap year setting. • If you rotate the crown quickly a few times, the hand will move continuously.
  • Page 31 Adjusting the time and calendar Month and year indications Set the year and month with the position of the second hand. “Month” corresponds to one of the 12 “Year” corresponds to the years since zones shown in the figure below. leap year and is indicated with markers Each number means month.
  • Page 32 Adjusting the time and calendar Years since leap Actual year Second hand position year Hour marker 0 (Leap year) 2016 2020 2024 2028 2032 1st min. marker 2017 2021 2025 2029 2033 2nd min. marker 2018 2022 2026 2030 2034 3rd min.
  • Page 33 Correcting the reference position Adjust the reference position when the second hand does not point 0 seconds while the crown is in position 2 . Do not adjust the reference position when the watch indicates 11:50 PM - 12:10 AM. Otherwise, the date indication may change incorrectly.
  • Page 34 Correcting the reference position What is the reference position? Correct reference positions The base position of all hands and calendar to properly indicate the various functions of this watch. • Hour, minute and second hands: 0 hours 00 minutes 0 seconds •...
  • Page 35 Correcting the reference position Pull the crown out to position 2 . The second hand moves to the current reference positions stored in memory and stops. Press and release the button. All Reset is executed. Rotate the crown to set the hour and minute hands to 0 hours 00 minutes.
  • Page 36 Correcting the reference position Push the crown in to position 1 . Rotate the crown clockwise to set the second hand to 0 seconds. • If you rotate the crown quickly a few times, the hand will move continuously. To stop the rapid movement, rotate the crown clockwise.

  • Page 37: Correcting The Reference Position

    Correcting the reference position Rotate the crown counterclockwise to set the date indication to “1”. • If you rotate the crown quickly a few times, the hand will move continuously. To stop the rapid movement, rotate the crown counterclockwise. • Rotate the crown while pressing and holding the button to adjust the position finely.
  • Page 38 Correcting the reference position Push the crown in to position 0 to finish the procedure. The reference position is updated and the second hand starts moving. • Adjust the time and calendar after that (page 26).

  • Page 39: Troubleshooting

    Troubleshooting Symptom and remedies Symptom Remedies Page Time/calendar is abnormal. Check the world time setting. Check the summer time (DST) setting. Time/calendar is incorrect. Adjust the time. Adjust the calendar. Check the world time setting. The date indication changes in the daytime. Adjust the time.
  • Page 40 Troubleshooting Symptom Remedies Page Movement of a hand/indication seems strange The second hand moves Charge the watch. once every two seconds. Push the crown in to position 0 . — The second hand does not move. Charge the watch. The second hand does not point 0 seconds Correct the reference position.

  • Page 41: Eco-Drive Watch Handling Precautions

    Eco-Drive watch handling precautions <Always Make Sure to Recharge Frequently> • For optimal performance, your watch should remain fully charged. • Long sleeves may inhibit light transmission to your watch. This may result in your watch loosing charge. In these cases supplemental charging may be necessary.
  • Page 42 Eco-Drive watch handling precautions CAUTION Recharging Precautions • Do not charge the watch at a high temperature (about 60 °C (140 °F) or higher) as doing so may cause the movement 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 43 Eco-Drive watch handling precautions <Replacement of Rechargeable Cell> • This watch utilizes a special rechargeable cell that does not require periodical replacement. However power consumption may increase after using the watch for a number of years due to wear of internal components and deterioration of oils. This may cause stored power to be depleted at a faster rate.
  • Page 44 Eco-Drive watch handling precautions WARNING Use Only the Specified Battery • Never use a battery other than the rechargeable cell specified for use in this watch. Although the watch structure is designed so that it will not operate when another type of battery is installed, if a conventional watch battery or other type of battery is installed in the watch and the watch is recharged, there is the risk of overcharging which may cause the battery to rupture.
  • Page 45 Water resistance WARNING Water Resistance • Refer to the watch dial and/or 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 46 Water resistance Water-related use Operate the Minor crown or exposure to Swimming Scuba diving Saturation button when water (washing and general Skin diving, using an air diving using the watch face, rain, etc.) washing work marine sports tank helium gas is wet mospheres mospheres...
  • Page 47 Water resistance • Non-water resistant models are not designed to come into contact with any moisture. Take care not to expose a watch with this rating to any type of moisture. • Water resistance for daily use (to 3 atmospheres) means the watch is water resistant for occasional accidental splashing.
  • Page 48 Precautionary items 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 49: Water Resistance

    Precautionary items and usage limitations CAUTION Precautions • Always use the watch with the crown pushed in (normal position). If the crown is of the screw lock-type, make sure it is securely locked. • Do not operate the crown or any push buttons when the watch is wet. Water may enter the watch causing damage to vital components.
  • Page 50 Precautionary items and usage limitations CAUTION When Wearing Your Watch <Band> • Leather bands and rubber (urethane) bands will deteriorate over time due to perspiration dirt. Because of the natural materials, leather band will be worn, deformed, and discolored over time.
  • Page 51 Precautionary items and usage limitations CAUTION When Wearing Your Watch (continued) • Please request adjustment or repair of the band in the following cases: - You notice an abnormality with the band due to corrosion. - The pin of the band is protruding. •...

  • Page 52: Precautionary Items And Usage Limitations

    Precautionary items 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. <Static Electricity> • The integrated circuits (IC) used in quartz watches are sensitive to static electricity. Please note the watch may operate erratically or not at all if exposed to intense static electricity.
  • Page 53 Precautionary items and usage limitations CAUTION Always Keep Your Watch Clean • Rotate the crown while it is pressed in fully and press the buttons periodically so they do not become stuck due to accumulations of foreign matter. • The case and band of the watch come into direct contact with the skin. Corrosion of the metal or accumulated foreign matter may result in black residue coming from the bracelet when exposed to moisture or perspiration.
  • Page 54 Precautionary items and usage limitations Caring for Your Watch • Wipe any dirt or moisture such as perspiration from the case and crystal with a soft cloth. • For metallic, plastic or synthetic rubber (polyurethane) band, clean it with soap and a soft toothbrush.

  • Page 55: Specifications

    Specifications E784 Analog solar-powered watch Model Type Average monthly accuracy: ±15 seconds when worn at normal Timekeeping accuracy operating temperatures between +5°C (41°F) and +35°C (95°F) Operating ‒10°C (14°F) to +60°C (140°F) temperature range • Time: Hours, minutes, seconds Display functions •...
  • Page 56 Specifications • Solar power function • Overcharging prevention function • Insufficient charge warning function (two-second interval movement) Additional • Energy saving function (power save feature) functions • World time (26 time zones) • Summer time (DST) ( SMT ON/OFF ) •...
  • Page 58 Model No.BX1 ＊ Cal.E784 CTZ-B8200...

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