Citizen Ct-912 Manual

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Ct-912Tell us what you think - opens in new window or tabAlso See for Eco-Drive

Citizen Ct 912

Instruction manual - 83 pages
Instruction manual - 36 pages
Instruction manual - 71 pages
Citizen Ct-912 ManualManualMost useful pages:More

Citizen Ct-912 Manual

Adjusting the timeScrew down crown/buttonRecessed buttonsTo check the movement numberCharging time by environmentAdjusting the calendar
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Citizen Ct-912 Calculator

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Summary of Contents for Citizen Eco-Drive

  • Page 1 INSTRUCTION MANUAL..
  • Page 2 ENGLISH DEUTSCH FRANÇAIS ESPAÑOL ITALIANO PORTUGUÊS..

  • Page 4: To Check The Movement Number

    Thank you for your purchase of this Citizen watch. Before using the watch, read this instruction manual carefully to ensure correct use. After reading the manual, store it in a safe place for future reference. Visit the Citizen website (http://www.citizenwatch-global.com/) to view visual guides for operation of your watch.
  • Page 5 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 22 to 35) and understand the meaning of the following symbols: ■..
  • Page 6 Before using this watch After unpacking, the following must be done before using the watch: • Checking whether the second hand moves normally When the second hand moves once every two seconds, charge your watch. (see page 9) This watch has a rechargeable cell which is charged by exposing the dial to light.
  • Page 7 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.).Otherwise, perspiration or moisture may enter the gaps between..

  • Page 8: Screw Down Crown/button

    Before using this watch Screw down crown/button Unlock the crown/button prior to operate your watch. Unlock Lock Push the crown in to the case. With gentle pressure Rotate the crown towards the case, rotate the Screw down counterclockwise until it crown clockwise to secure crown releases from the case.

  • Page 9: Table Of Contents

    Table of contents Component identification .7 Eco-Drive (solar powered) watch handling precautions .22 Charging your watch ..8 Water resistance ..26 Adjusting the time ..12 Precautionary items and Adjusting the calendar .14 usage limitations ..29 Using the chronograph .16 Specifications .... 36 Troubleshooting ..20..

  • Page 10: Component Identification

    Component identification Minute hand 1/5 chronograph 24- hour hand second hand Button Chronograph minute hand Crown Hour hand Button Date indicator The solar cell is built in Second hand under the dial. The illustrations in this instruction manual may differ from the actual appearance of your watch.

  • Page 11: Charging Your Watch

    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. After taking off the watch, put it in a location where the dial is exposed to bright light, such as by a window. For optimal performance, be sure to: • Expose the watch to direct sunlight for five or six hours at least once a month.
  • Page 12 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. • When the watch is sufficiently charged, the second hand will move normally. • If you do not charge the watch for eight days or longer after the insufficient charge warning movement has begun, the watch will be depleted of all power and stop.

  • Page 13: Charging Time By Environment

    Charging 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. Charging time (approx.) Illuminance To start working To become fully Environment To work for (lx) normally when the cell charged when the cell is one day is discharged discharged 2 minutes 50 minutes 9 hours..
  • Page 14 Charging your watch • To charge your watch, 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 efficiently. Run time From fully charged without extra charging: 9 months • As for the run time above, it is assumed that the chronograph be used for 60 minutes in a day.

  • Page 15: Adjusting The Time

    Adjusting the time Pull the crown out to position when the second hand points to 0 second. All the hands stop. • When using chronograph, the chronograph is reset and 1/5 chronograph second hand returns to 0 second. Rotate the crown to adjust the time. • The 24-hour hand also moves. Pay particular attention to the hand to ensure AM or PM time is set properly.
  • Page 16 Adjusting the time Push the crown in to position in accordance with a reliable time source to finish the procedure.

  • Page 17: Adjusting The Calendar

    Adjusting the calendar Adjust the date indication on the first days of March, May, July, October and December. • When the time on the watch is between 9:00 PM and 1:00 AM, do not execute the adjustment. Otherwise the date indication may change improperly. Pull the crown out to position .
  • Page 18 Adjusting the calendar Rotate the crown counterclockwise to adjust the date. Push the crown in to position to finish the procedure.

  • Page 19: Using The Chronograph

    Using the chronograph The 60-minute chronograph can indicate a maximum of 59’ 59.8”. • After one hour of continuous chronograph operation, the chronograph automatically stops. • The current time is shown while the chronograph works. • While the second hand is moving once every two seconds (the insufficient charge warning function, see page 9), you can not use the chronograph.

  • Page 20: Using The Chronograph

    Using the chronograph 1/5 chronograph : Button second hand Start/Stop Chronograph minute hand Button : Reset..
  • Page 21 Using the chronograph Correcting the reference position of 1/5 chronograph second hand Do the following procedure when 1/5 chronograph second hand does not return to 0 second by resetting the chronograph. Pull the crown out to position . All the hands stop. • Adjust the time and calendar after this procedure. Press and hold button for two seconds.
  • Page 22 Using the chronograph Adjust 1/5 chronograph hand to 0 second by pressing button repeatedly. • Each time you press the button, 1/5 chronograph hand moves 1 step each. • While you press and hold the button, the hand moves continuously. Push the crown in to position . Press button..

  • Page 23: Troubleshooting

    Troubleshooting If you have a problem with your watch, check the table below. Symptoms Remedies Page Movement of a hand seems strange The second hand moves 8 to 11 Fully charge the watch. once every two seconds. Push the crown in to position . The second hand does not move.

  • Page 24: Troubleshooting

    Troubleshooting Symptoms Remedies Page The chronograph is incorrect While the second hand is moving once every two Chronograph does not 8 to 11 seconds (the insufficient charge warning function), work. you can not use the chronograph. Chronograph stops Reset the chronograph by pressing button halfway.

  • Page 25: Eco-drive (solar Powered) Watch Handling Precautions

    Eco-Drive (solar powered) 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. • When you take off the watch, place it in a bright location to ensure optimal performance.
  • Page 26 Eco-Drive (solar-powered) 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. * When charging under an incandescent lamp, be sure to leave 50 cm (20 inches) or more between the lamp and the watch to avoid exposing the watch to excessive heat.
  • Page 27 Eco-Drive (solar-powered) 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 28 Eco-Drive (solar-powered) 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 29: Water Resistance

    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. (The unit “1 bar” is roughly equal to 1 atmosphere.) • WATER RESIST(ANT) ×× bar may also be indicated as W. R. ×× bar. Indication Name Specification Dial or Case back Non-water resistant —..
  • Page 30 Water resistance Water-related use Minor exposure Swimming and Operate the crown to water (washing general washing Skin diving, Scuba diving or button when face, rain, etc.) work marine sports using an air tank the watch is wet..
  • Page 31 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. • Upgraded water-resistance for daily use (to 5 atmospheres) means that the watch may be worn while swimming, but is not to worn while skin diving. • Upgraded water-resistance for daily use (to 10/20 atmospheres) means that the watch may be worn while skin diving, but not while scuba or saturated diving using helium gas.

  • Page 32: Precautionary Items And Usage Limitations

    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. • Do not wear your watch while in a sauna or other location where your watch may become excessively hot, since there is the risk of burns. • Be careful when putting on and taking off your watch, since there is a risk of damaging your fingernails, depending on the manner in which the band is fastened. • Take off your watch before going to bed.

  • Page 33: 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. • If water enters the watch or the watch fogs up and does not clear up even after a long time, consult your dealer or authorized service center for inspection and/or repair. • Even if your watch has a high level of water resistance, please be careful of the following. • If your watch is immersed in sea water, rinse thoroughly with fresh water and wipe with a dry cloth. • Do not pour water from a tap directly onto your watch. • Take off your watch before taking a bath. • If seawater enters the watch, place the watch in a box or plastic bag and immediately take it in for repair.
  • Page 34 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. It is recommended to replace the band periodically. • The durability of a leather band may be affected when wet (fading, peeling of adhesive), owing to the properties of the material. Moreover, wet leather may cause a rash. • Do not stain a leather band with substances containing volatile materials, bleach, alcohol (including cosmetics). Discoloration and premature aging may be occurred. Ultraviolet light such as direct sunlight may cause discoloration or deformation. • It is recommended to take off the watch if it gets wet, even if the watch itself is water-resistant.
  • Page 35 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. • 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 your nearest authorized service center. <Temperature>..

  • Page 36: Static Electricity

    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. <Chemicals, Corrosive Gasses and Mercury> • If paint thinner, benzene or other solvents or products containing these solvents (including gasoline, nail-polish remover, cresol, bathroom cleaners and adhesives, water repellent, etc.) are allowed to come into contact with the watch, they may discolor, dissolve or crack the..
  • Page 37 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. Be sure to keep your watch clean at all times. • Be sure to periodically clean the bracelet and case of your watch to remove accumulated dirt and foreign matter.

  • Page 38: Caring For Your Watch

    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. Be sure to thoroughly rinse the band after cleaning to remove any soap residue. • For a leather band, wipe off dirt using a dry cloth. • If you will not be using your watch for an extended period of time, carefully wipe off any perspiration, dirt or moisture and store in a proper location, avoiding locations subject to excessively high or low temperatures and high humidity.

  • Page 39: Specifications

    Specifications B620 Analog solar-powered watch Model Type Within ±15 seconds per month when worn at normal operation Timekeeping accuracy temperatures between +5˚C (41°F) and +35˚C (95°F) (without reception) –10˚C (14°F) to +60˚C (140°F) Operating temperature range • Time: Hours, minutes, seconds, 24-hour Display functions • Calendar: Date, • Fully charged to fully discharged: Maximum run time from full Approximately 9 months (when using the chronograph for an charge hour a day) • Power reserve upon insufficient charge warning function:..
  • Page 40 Specifications • Solar power function Additional • Overcharging prevention function functions • Insufficient charge warning function (two-second interval movement) • Quick Start function • Chronograph (up to 60 minutes in 0.2-second increments) • Correcting reference position function of 1/5 chronograph second hand Specifications and contents of this booklet are subject to change without prior notice.
  • Page 41 Model No. Cal.B620 CTZ-B8176..

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