Citizen Eco-Drive Satellite Wave F900 Instruction Manual
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Citizen Eco-Drive Satellite Wave F900 Instruction Manual

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INSTRUCTION MANUAL

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Summary of Contents for Citizen Eco-Drive Satellite Wave F900

  • Page 1 INSTRUCTION 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 98 to 111) 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 Features ■ Satellite Wave-GPS Receives location and time information sent from GPS satellites and adjusts the time and calendar on the watch automatically. ■ Light-Level Indicator Indicates current power generation amount in 7 levels. It can be used as a reference for choosing a good charging place. ■...

  • Page 6: World Time

    Measures up to 24 hours in 1/20 second increments. ■ Alarm Sounds at the time set every day. ■ Perpetual calendar No need for monthly and leap-year date correction until February 28, 2100. * “Eco-Drive” is an original technology of Citizen.

  • Page 7: Table Of Contents

    CONTENTS Before using this watch . . . . . . . . . . . . . . . . . . . . . . . . . . Band adjustment .
  • Page 8 CONTENTS Checking the reception result of the satellite signal . . Setting the world time . . . . . . . . . . . . . . . . . . . . . . . . . . Checking the time zone setting for the home time .

  • Page 9: Table Of Contents

    CONTENTS Charging your watch . . . . . . . . . . . . . . . . . . . . . . . . . . . . Information on satellite signal reception .
  • Page 10 CONTENTS Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Eco-Drive watch handling precautions .
  • Page 11 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 62. • Especially, satellite signal reception is power-consuming. Be sure to keep your watch sufficiently charged.

  • Page 12: Before Using This Watch

    If adjustment is not done correctly, the bracelet may unexpectedly become detached leading to loss of your watch or injury. Consult your nearest authorized Citizen service center. Protective stickers Be sure to remove any protective stickers that may be on your watch (case back, band, clasp, etc.).

  • Page 13: How To Use A Specially Designed Crown/Button

    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 14 Before using this watch Recessed button Press the button with a non-marring narrow-tipped object such as a wooden toothpick. • Metal objects may cause marring or scratching of the button.
  • Page 15 Component identification Hands and buttons Minute hand Hour hand Button Function hand Crown Second hand Mode hand Button Dual time indication • The illustrations in this instruction manual may differ from the actual appearance of your watch.

  • Page 16: Component Identification

    Component identification Indication RX-TME/RX-GPS: Reception- in-progress indication OK/NO: Reception result Indications of the indication function hand • Day of week Place name/ • Power reserve level time zone (5 levels) • Daylight saving time Mode indication ( SMT ON/OFF ) Date indication Alarm setting indication (ALM ON/OFF)

  • Page 17: About Dual Time Indication

    Component identification About dual time indication This watch is equipped with the dual time function: two times are indicated in parallel. Dual time indication Home time Local time The time shown by the hour/ Time shown by the dual time indication. minute/second hands and day of •...
  • Page 18 Changing the mode This watch features six different modes (functions). The method to change the mode and indication for each mode are explained below. Changing the mode Pull the crown out to position The second hand points to 30 second and stops. Rotate the crown to change the mode.

  • Page 19: Changing The Mode

    Changing the mode Indication in each mode (when the crown is in position TME (ordinary time) mode Hand and indication Content Hour, minute and second Home time hands Date (home time) Date indication Day of week (home A Function hand time) B Dual time indication Local time C Mode hand...
  • Page 20 Changing the mode LLI (Light-Level Indicator) mode Mode for checking the level of power generation amount. Hand and indication Content Hour, minute and second Home time hands Date (home time) Date indication Power reserve level A Function hand B Dual time indication Local time C Mode hand Continued on the next page...
  • Page 21 Changing the mode UTC (Coordinated Universal Time) mode Mode where the dual time indication always shows UTC. Hand and indication Content Hour, minute and second Home time hands Date (home time) Date indication Day of week (home A Function hand time) B Dual time indication UTC C Mode hand...
  • Page 22 Changing the mode CHR (chronograph) mode • For details of use, see page 56. Hand and Content indication Hour and minute of home Hour and minute hands time Chronograph second Second hand Date (home time) Date indication 1/20 chronograph second Function (only when chronograph hand...
  • Page 23 Changing the mode ALM (alarm) mode • For details of use, see page 58. Hand and indication Content Hour, minute and second Home time hands Date (home time) Date indication Day of week (home A Function hand time) B Dual time indication Alarm time C Mode hand...
  • Page 24 Changing the mode SET (set) mode Mode for setting time and calendar manually. Hand and indication Content Hour, minute and second Home time hands Date (home time) Date indication Day of week (home A Function hand time) B Dual time indication Local time C Mode hand...
  • Page 25 Checking the power reserve and power generation amount For details of charging, see “Charging your watch” (page 62). Indication of power generation amount in levels Indication of power reserve in levels Function hand Second hand...

  • Page 26: Checking The Power Reserve And Power Generation

    Checking the power reserve and power generation amount Checking the power reserve Change the mode to [ TME ] or [ UTC ] and push the crown in to position Press and release the upper right button The function hand indicates the power reserve in levels (page 26) and the second hand indicates the current time zone setting of the home time.

  • Page 27: Checking The Power Reserve

    Checking the power reserve and power generation amount Indication of power reserve in levels Level Power reserve level scale 1 year - 10 10 - 4 months - 5 5 days or Duration 1.5 - 1 year (approx.) months 4 months days shorter Insufficient...
  • Page 28 Checking the power reserve and power generation amount CAUTION • At the power reserve level “0”, the second hand starts to move once every two seconds (insufficient charge warning function, page 64). Some functions become unavailable while this function is activated. For details, see page 65. •...

  • Page 29: Checking Power Generation Amount

    Checking the power reserve and power generation amount Checking power generation amount (Light-Level Indicator) Change the mode to [ LLI ] and push the crown in to position The function hand indicates the power reserve in levels (page 26). Press and release the upper right button The second hand indicates power generation amount in levels (page 29).

  • Page 30: Continued On The Next

    Checking the power reserve and power generation amount Indication of power generation amount in levels The level of power generation amount means power being generated by the solar cell represented in 7 levels (0 - 6). Level Level scale of power generation amount Sufficient power...
  • Page 31 Checking the power reserve and power generation amount CAUTION • Light level indication will change as brightness changes. In addition, the level may vary even under the same brightness due to the entry angle of light to the dial of the watch or other elements. •...
  • Page 32 Checking the reception result of the satellite signal Change the mode to [ TME ] or [ UTC ] and push the crown in to position Press and release the lower right button The second hand indicates the result of the last reception. Reception was successful.
  • Page 33 Checking the reception result of the satellite signal Press and release the lower right button to finish the procedure. The second hand returns to indicate the seconds. • The hand returns automatically in 10 seconds without pressing the button. About the reception result The previous reception result is stored for 6 days and “...
  • Page 34 Setting the world time This watch can indicate the time around the world according to which of 40 time zones (offsets from UTC—Coordinated Universal Time) is chosen. You can set offsets from UTC through any of the two ways below. Method What to set The time zone for the home time is set automatically and...

  • Page 35: Setting The World Time

    Setting the world time Checking the time zone setting for the home time Change the mode to [ TME ] or [ UTC ] and push the crown in to position • Proceed to the next step after the hands stop. Press and release the upper right button The second hand points the current time zone setting of the home time and the function hand indicates the power reserve in...
  • Page 36 Setting the world time How to read indication of the world time setting The watch has 40 time zone markers with several representative area names. A time zone is set by pointing the second hand at one of the markers. In the illustration on the left, the second hand Time zone marker points to 28 seconds and time zone setting is...
  • Page 37 Setting the world time Table of time zones and representative places • Countries or regions may change time zones for various reasons. Second Time zone Area name Representative area hand London 0 sec. Paris 2 sec. Athens 4 sec. Riyadh 6 sec.
  • Page 38 Setting the world time Second Time zone Area name Representative area hand Yangon 15 sec. +6.5 — Bangkok 16 sec. Beijing/Hong Kong 18 sec. BJS (HKG) Eucla +8.75 20 sec. — Tokyo 21 sec. Adelaide +9.5 23 sec. Sydney 25 sec. Lord Howe Island +10.5 26 sec.
  • Page 39 Setting the world time Second Time zone Area name Representative area hand Kiritimati 34 sec. — Baker Island 36 sec. — Midway 38 sec. Honolulu 40 sec. Marquesas Islands -9.5 41 sec. — Anchorage 42 sec. Los Angeles 44 sec. Denver 46 sec.
  • Page 40 Setting the world time Second Time zone Area name Representative area hand Rio de Janeiro 54 sec. Fernando de Noronha 56 sec. Azores 58 sec. • The offsets in the table are based on the standard time. • When choosing a time zone for a country or area that observes daylight saving time during the summer period, first apply its time zone then activate the daylight saving time setting (page 52).
  • Page 41 Setting the world time Obtaining location information from satellite signals It is recommended to receive the satellite signals outdoors with the wide-open sky. For details, see “Information on satellite signal reception” (page 68). The time zone for the home time is set automatically by obtaining location information and time and calendar are consequently adjusted based on the chosen zone.
  • Page 42 Setting the world time After finishing the reception, the second hand indicates the new setting and returns to indicate the seconds. • To cancel the reception, press and hold any button until the second hand returns to indicate the seconds. About obtaining location information The time zone may not set appropriately when location information is obtained in a border of time zones, even if the information is correct.
  • Page 43 Setting the world time Setting the time zone manually Change the mode to [ TME ] or [ LLI ] and pull the crown out to position The second hand indicates the current time zone setting of the home time. •...
  • Page 44 Setting the world time Press and release the upper right button The second hand indicates the current time zone setting of the local time. • Each time you press button , the minute hand of setting target slightly moves and the target (home time/local time) of time zone setting changes alternately.
  • Page 45 Setting the world time Interchanging the home time and local time Change the mode to [ TME ] or [ LLI ] and push the crown in to position Press and release both the lower right button upper right button simultaneously.
  • Page 46 Receiving time information It is recommended to receive the satellite signals under the wide-open sky. For details, see “Information on satellite signal reception” (page 68). You can use the three types of reception below to receive time information. You can also check the result of the previous reception (success or fail).
  • Page 47 Receiving time information Time reception (time required: about 3 - 30 seconds) Reception for time and calendar adjustment. • It may take more time for reception when difference in time is large or calendar was set manually. Change the mode to [ TME ] or [ UTC ] and push the crown in to position Press and hold the lower right button until the second hand points “...
  • Page 48 Receiving time information After finishing the reception, the second hand indicates the reception result (page 31) and returns to indicate the seconds. • To cancel the reception, press and hold any button until the second hand returns to indicate the seconds. •...
  • Page 49 Receiving time information Leap second reception (time required: about 36 seconds - 13 minutes) Reception to be executed when the leap second has been updated. • You can also execute leap second setting manually. (page 73) Change the mode to [ TME ] or [ UTC ] and push the crown in to position Press and hold the lower right button for 7 seconds.
  • Page 50 Receiving time information After finishing the reception, the second hand indicates the reception result (page 31) and returns to indicate the seconds. • To cancel the reception, press and hold any button until the second hand returns to indicate the seconds. •...
  • Page 51 Receiving time information Automatic time reception The watch starts time reception automatically when the conditions belows are fulfilled: • The watch has not received satellite signals for 6 or more days. • The watch dial is being exposed to strong direct sunlight for 20 seconds or more. •...
  • Page 52 Receiving time information About automatic time reception Automatic time reception may be delayed in the following cases: • The second hand started to move once every two seconds (insufficient charge warning) after the last time reception: Automatic time reception is executed 6 days or more after the insufficient charge warning stopped by charging the watch.
  • Page 53 Setting daylight saving time Daylight saving time is a system adopted in some countries/areas to gain an extra daylight during summer. This watch can display daylight saving time or standard time according to the area selected for the world time setting (page 33). •...
  • Page 54 Setting daylight saving time Change the mode to [ TME ] or [ LLI ] and pull the crown out to position The function hand indicates daylight saving time setting of the home time ( SMT ON/OFF ) (page 54). •...
  • Page 55 Setting daylight saving time Press and release the lower right button SMT ON SMT OFF Daylight saving time is The standard time is indicated. indicated. • Each time you press button , the setting alternates between SMT ON and SMT OFF .
  • Page 56 Setting daylight saving time Press and release the upper right button The function hand indicates daylight saving time setting of the local time ( SMT ON/OFF ). • Each time you press button , the minute hand of setting target slightly moves and the target (home time/local time) of time zone setting changes alternately.
  • Page 57 Using the chronograph The chronograph on this watch can measure up to 23 hours 59 minutes 59.95 seconds in 1/20 second increments. Change the mode to [ CHR ] and push the crown in to position The chronograph hands move to indicate 0.00 second. Start measurement.
  • Page 58 Using the chronograph Chronograph second Button : Start/stop 1/20 chronograph seconds are indicated only when the chronograph is stopped. 1/20 chronograph second Button : Reset Press and release this button to reset the chronograph after timing. Chronograph hour and minute •...
  • Page 59 Using alarm The alarm time is based on the home time. • The alarm is set in a 24-hour format. • Take care when changing the time zone setting of the home time after setting alarm. Checking the alarm setting Change the mode to [ ALM ] and push the crown in to position The dual time indication indicates the current...
  • Page 60 Using alarm ALM (alarm) ON ALM (alarm) OFF • Alarm setting indication ( ALM ON/OFF ) stops in 10 seconds and returns to indicate the seconds automatically. Pressing button also ends the indication. • Press and hold button for 2 seconds or more to monitor the alarm sound.
  • Page 61 Using alarm Changing alarm setting Change the mode to [ ALM ] and pull the crown out to position The dual time indication indicates the current alarm time setting and the second hand shows the current alarm setting ( ALM ON/OFF ). •...
  • Page 62 Using alarm Press and release the lower right button to set the alarm setting ( ALM ON/OFF ). • Each time you press button , the setting alternates between ALM ON and ALM OFF . Change the mode to [ TME ] and push the crown in to position to finish the procedure.
  • Page 63 Charging your watch This watch has a rechargeable cell which is charged by exposing the dial to light, such as direct sunlight or fluorescent lamps (refer to page 66 for charging guidelines). For optimal performance, be sure to: • Put the watch in a location where the dial is exposed to bright light such as by the window even when it is not used.

  • Page 64: Charging Your Watch

    Charging your watch CAUTION • This watch contains a large-capacity rechargeable cell for performing power- consuming satellite signal reception. This large capacity cell takes more time to charge than those found in other Eco-Drive watches. • If the surrounding temperature falls below 0°C (32°F) or exceeds 40°C (104°F), the “...
  • Page 65 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 66.
  • Page 66 Charging your watch During the insufficient charge warning state The time and date is indicated correctly. • In any mode other than [ UTC ], indication is the same as that in the [ TME ] mode. Operations below are available: •...
  • Page 67 Charging your watch Charging time by environment Below are the approximate charging times when exposing to light continuously. Please use this table as a general 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 68 Charging your watch Power save function The hour, minute and second hands stop automatically to save power as 3 days passed after starting to keep the watch in a dark place such as in a case. • The watch is still running internally to keep the time and calendar correctly even after the power save function has activated.
  • Page 69 Information on satellite signal reception This watch receives time information from satellites to indicate the time and calendar. It also obtains location information from them to indicate time appropriate in the area where it is actually used. For receiving the satellite signal Satellite signal reception is power-consuming.

  • Page 70: Information On Satellite Signal Reception

    Information on satellite signal reception Cautions regarding receiving the satellite signal Do not perform signal reception while operating a vehicle as doing so is extremely dangerous. • If the second hand is moving once every two seconds (insufficient charge warning function), you cannot perform satellite signal reception. Charge the watch sufficiently before attempting signal reception.
  • Page 71 Information on satellite signal reception When receiving the satellite signal As shown in the picture below, make sure you are in an area with few surrounding trees, buildings, or other objects which may obstruct the satellite signal. Face the dial towards the sky and perform signal reception. •...
  • Page 72 Information on satellite signal reception Receiving signals indoors near a window Place the watch near a window with a wide view of the sky and orient the dial in an obliquely upward direction to the sky. • Signal reception from some satellites is required for obtaining location information.
  • Page 73 Information on satellite signal reception Poor reception areas It may be difficult to receive the satellite signal under certain environmental conditions or in certain areas. Nearby objects which emit magnetism or Areas with obstructions above the watch electrical interference • Indoors or underground •...

  • Page 74: Checking And Adjusting Leap Second Setting

    Information on satellite signal reception Checking and adjusting leap second setting This watch displays the time by applying the leap second to the International Atomic Time information received from satellites. The leap second may be applied once a few years and the leap second setting on the watch must be adjusted each time it applied.
  • Page 75 Information on satellite signal reception Change the mode to [ SET ] and pull the crown out to position The second hand points to 0 second and stops. Press and hold upper right button for 2 seconds or more. Using the “0:00:00” position as the starting point, the minute and second hands indicate the leap second setting.
  • Page 76 Information on satellite signal reception Turn the crown to adjust the setting if the leap second is not correct. • Adjustable range is from 0 to ‒90 seconds. Change the mode to [ TME ] and push the crown in to position to finish the procedure.

  • Page 77: Checking And Adjusting The Rollover Number Setting

    Information on satellite signal reception Checking and adjusting the rollover number setting In order for this watch to correctly process the week information* received from the satellite, a rollover number for each time period is set. The rollover numbers are normally updated automatically.
  • Page 78 Information on satellite signal reception Table of rollover number and time period Time period (Coordinated Universal Time, GMT) Rollover number 22/8/1999 (Sun) 0:00 – 7/4/2019 (Sun) 0:00 – 21/11/2038 (Sun) 0:00 – 7/7/2058 (Sun) 0:00 – 20/2/2078 (Sun) 0:00 – 6/10/2097 (Sun) 0:00 –...
  • Page 79 Information on satellite signal reception Change the mode to [ SET ] and pull the crown out to position The second hand points to 0 second and stops. Press and hold upper right button for 2 seconds or more. The second and minute hands indicate the leap year setting. Press and hold the upper right button for 7 seconds or more.
  • Page 80 Information on satellite signal reception Turn the crown to adjust the setting if it is not correct. • Adjustable range is from “0” to “5”. • See “Table of rollover number and time period” (page 77) and set the correct rollover number. Change the mode to [ TME ] and push the crown in to position to finish the procedure.
  • Page 81 Adjusting the time and calendar manually You can set the time and calendar of the home time manually. • Execute world time setting (page 33) beforehand. • The time of the local time is corrected automatically following its time zone setting after setting the home time manually.

  • Page 82: Adjusting The Time And Calendar Manually

    Adjusting the time and calendar manually Press and release the lower right button repeatedly to change the hand/indication to be corrected. • Each time you press button , the target changes as follows: Hour and minute → date → year/month → day of week →...
  • Page 83 Adjusting the time and calendar manually Rotate the crown to adjust the hand/indication. • Hour, minute and date move in conjunction with one another. Be sure to set the proper AM or PM time. Change of date indication shows it just became AM. •...
  • Page 84 Adjusting the time and calendar manually Push the crown in to position in accordance with a reliable time source. The second hand starts moving from 0 second. Change the mode to [ TME ] to finish the procedure.
  • Page 85 Adjusting the time and calendar manually 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 indicated with markers in Each number means month.
  • Page 86 Adjusting the time and calendar manually Years since leap Actual year Second hand position year Hour marker 0 (Leap year) — 2016 2020 2024 1st min. marker — 2017 2021 2025 2nd min. marker — 2018 2022 2026 3rd min. marker 2015 2019 2023...
  • Page 87 Checking and correcting the reference position If the time or calender is not shown correctly even after proper reception of the time signal, check whether the reference position is correct. • If the hands and indication do not reflect the correct reference position, the time and calendar will not be indicated accurately even if the signal is received.

  • Page 88: Checking And Correcting The Reference Position

    Checking and correcting the reference position Change the mode to [ CHR ] and pull the crown out to position The second hand, function hand and dual time indication point to 0 position and stop. Press and hold the lower right button The hands and date start to move to the current reference positions stored in memory.
  • Page 89 Checking and correcting the reference position Press and release the lower right button The function hand slightly moves and the hand and date indication become adjustable. Press and release the lower right button repeatedly to change the hand/indication to be corrected.
  • Page 90 Check and correct the reference position Rotate the crown to adjust the hand/indication. • 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. Repeat steps 5 and 6.
  • Page 91 Troubleshooting If you have a problem with your watch, check the items below. Symptom Remedies Page Problems with satellite signal reception − Check whether the mode is [ TME ] or [ UTC ]. When the second hand moves once every two seconds, the watch cannot receive the signals.

  • Page 92: Troubleshooting

    Troubleshooting Symptom Remedies Page Problems with satellite signal reception (continued) Automatic time reception does not Check whether the mode is [ TME ] or [ UTC ]. work correctly. Check the world time setting. Check the daylight saving time setting. The correct time Execute leap second reception if the time and and calendar are...
  • Page 93 Troubleshooting Symptom Remedies Page Movement of a hand seems strange Indication is incorrect. Check the mode. Charging may be stopped (non-chargeable state). The power reserve is not Check it again at a location of suitable indicated. temperature. The second hand moves Charge the watch.
  • Page 94 Troubleshooting Symptom Remedies Page Time/calendar is abnormal. Check the world time setting. Check the daylight saving time setting. Time/calendar is Receive the satellite signal to adjust the time and incorrect. calendar. Check and correct the reference position. Adjust the time and calendar manually. Time is incorrect though Check the daylight saving time setting the world time setting...
  • Page 95 Troubleshooting Symptom Remedies Page Charging and other problems If the surrounding temperature falls below 0°C (32°F) or exceeds 40°C (104°F), the “Charge suspension temperature detection function” will activate and charging will not be possible. The watch does not If the “Over discharge detection function” is activated, work even though it is charging is not possible.
  • Page 96 Troubleshooting Symptom Remedies Page Charging and other problems (continued) Charge the watch for 2 to 3 days in direct sunlight. If the second hand starts moving once every two The watch stops seconds the watch is being charged correctly. − immediately after it is Continue charging even when the second hand starts charged.
  • Page 97 Troubleshooting Resetting the watch — All Reset When the watch does not work properly, you can reset all the settings. If the power reserve is insufficient, charge the watch first. Be sure to perform the following operations after All Reset. .
  • Page 98 Troubleshooting Change the mode to [ CHR ] and pull the crown out to position Press and hold buttons at the same time for 4 seconds or more and release them. Alarm sounds as the buttons are released and the hands move to their current reference position.
  • Page 99 Eco-Drive watch handling precautions <Always Make Sure to Recharge Frequently>...

  • Page 100: Eco-Drive Watch Handling Precautions

    Eco-Drive watch handling precautions CAUTION Recharging Precautions Examples:...
  • Page 101 Eco-Drive watch handling precautions <Replacement of Rechargeable Cell> WARNING Handling of Rechargeable Cell...
  • Page 102 Eco-Drive watch handling precautions WARNING Use Only the Specified Battery...
  • Page 103 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 104: Water Resistance

    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...
  • Page 105 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 106 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 107: Precautionary Items And Usage Limitations

    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 108 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 109 If adjustment is not done correctly, the bracelet may unexpectedly become detached leading to loss of your watch or injury. Consult your nearest authorized Citizen service center. <Temperature> • The watch may stop or the function of the watch may be impaired in extremely high or low temperature.
  • Page 110 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 111 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 112 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 113 Specifications Specifications and contents of this booklet are subject to change without prior notice. Model Type F900 Analog solar-powered watch Timekeeping accuracy Average monthly accuracy: ±5 seconds when worn at normal operating (without reception) temperatures between +5°C (41°F) and +35°C (95°F) Operating temperature ‒10°C (14°F) to +60°C (140°F) range...

  • Page 114: Specifications

    Specifications • Solar power function • Indicating the result of the last • Overcharging prevention function reception ( OK/NO ) • Insufficient charge warning function • World time—40 time zones (27 (two-second interval movement) place names) • Over discharge detection function •...
  • Page 115 European Union directives conformance statement Hereby, CITIZEN WATCH CO.,LTD. declares that this product is in compliance with the essential requirements and other relevant provisions of directive 1999/5/EC and all other relevant EU directives. You can find your product’s Declaration of Conformity at...
  • Page 116 ＊ Model No.CC90 Cal.F900 CTZ-A8184...

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