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Citizen Eco-Drive BN2031-85E Instruction Manual

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INSTRUCTION MANUAL

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Summary of Contents for Citizen Eco-Drive BN2031-85E

  • 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 4, 5, and 52 to 65) 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: About Water Depth Measurement

    Safety precautions About water depth measurement This watch is not designed to function as a specialized water-depth measuring instrument certified by authorities. It is intended for use as an auxiliary reference to your primary dive instrument. Be sure to use a specialized device designed for diving as your primary dive instrument and depth reference.
  • Page 6 Safety precautions The water-depth measurement function of this watch is not certified as a measuring instrument by authorities. DANGER Be sure to use a specialized instrument along with this watch when diving. Do not rely solely on this watch’s function. Do not use the water-depth measurement function of this watch in the following cases: •...
  • Page 7 Rapid ascent warning Eco-Drive alarm Never needs a new battery. The water pressure sensor This watch is fueled by on the watch detects rapid light. ascent and alerts the user with an alarm tone. • “Eco-Drive” is an original technology of Citizen.

  • Page 8: Table Of Contents

    CONTENTS Water depth About water depth measurement ....measurement .......4 Before using this watch ..Before measurement ....20 Rapid ascent warning alarm ..24 Band adjustment ......10 Reviewing the maximum water Protective stickers ......10 depth record ...... How to use the screw crown/ button ..........11 About the “OVER”...
  • Page 9 CONTENTS Using the rotating bezel ..Water resistance ....Checking and correcting the Precautionary items and reference position ..... usage limitations ....Troubleshooting ....Specifications ..... Eco-Drive watch handling precautions .......

  • Page 10: Before Using This Watch

    Before using this watch After unpacking, the following must be done before using the watch: Check the power reserve indication. (→ page 18) Charge immediately if the power reserve level is “0” or “1”. This watch has a rechargeable cell which is charged by exposing the dial to light.

  • Page 11: Band Adjustment

    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 12: How To Use The Screw Crown/Button

    Before using this watch How to use the screw 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 case.

  • Page 13: Component Identification

    Component identification During daily use Hour hand Minute hand Upper left button Power reserve indication hand Water pressure sensor Date indication Crown Lower left button Second hand • The illustrations in this instruction manual may differ from the actual appearance of your watch.
  • Page 14 Component identification During water depth measurement Maximum water Hour hand depth hand Upper left button Minute hand Rotating bezel Power reserve indication hand Water sensor Water pressure sensor Date indication Crown Lower left button Water depth Second hand hand...

  • Page 15: 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 (refer to pages 16 and 17 for charging guidelines). After taking off the watch, put it in a location where the dial is exposed to bright light, such as by a window.
  • Page 16 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 as outlined on pages 16 and 17.
  • Page 17 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.) To start working To become fully Environment Illuminance (lx) To work for one day normally when the charged when the cell cell is discharged...
  • Page 18 Charging your watch • To charge your watch, it is recommended to expose the dial to direct sunlight. Optimal charging is achieved by exposing the dial to direct sunlight outdoors for a short time each day. • After charged fully, the watch runs without additional charging for about 11 months.

  • Page 19: Checking The Current Power Reserve

    Checking the current power reserve Power reserve level scale READY indication Power reserve indication hand Power reserve level scale • The power reserve indication hand points to “READY” as the water sensor detects water. (→ page 22) The power reserve level •...
  • Page 20 Checking the current power reserve The power reserve level is indicated in the four stages shown below. Level Power reserve level scale Duration 340 - 300 days 300 - 200 days 200 - 4 days 4 days or shorter (approx.) Power reserve is Power reserve is Power reserve is...

  • Page 21: Water Depth Measurement

    Water depth measurement Before measurement Be sure to note the following caution(s) and check the items on the next page before using the water depth measurement function of this watch. CAUTION • This watch is intended for use as an auxiliary reference to your primary dive instrument.
  • Page 22 Water depth measurement Items to check before water depth measurement • Commercial specialized devices for diving are prepared. (→ page 4) • The band of the watch is not worn or damaged. • No foreign objects stick around the water pressure sensor or water sensor. •...
  • Page 23 Water depth measurement Starting measurement This watch automatically starts water depth measurement as the wearer enters the water. Water sensor When the water sensor is in contact with water for about 2 seconds, the power reserve indication hand points to “READY”...
  • Page 24 Water depth measurement How to read water depth indication Maximum water depth hand: indicates the maximum depth during a measurement. Power reserve indication hand: returns to power reserve indication as Water depth hand: measurement starts indicates current water and the water depth depth.

  • Page 25: Rapid Ascent Warning Alarm

    Water depth measurement When the depth goes beyond the indication range The water depth hand and maximum water depth hand point to “OVER”. The water depth hand stops indicating “OVER” and moves to indicate current depth as the detected depth comes back within the indication range.
  • Page 26 Water depth measurement Checking the alarm • Make sure that the watch is not wet before operating the crown or any buttons. • To unscrew/screw the crown/button, see page 11. Press and release the lower left button while the crown is in position . The maximum water depth hand indicates the maximum diving depth at the last measurement.
  • Page 27 Water depth measurement Finishing measurement To finish water depth measurement, press and hold the upper left button for 5 seconds or more after taking the watch out of water and wiping water away from the water sensor and other parts of the watch. •...
  • Page 28 Water depth measurement After use in water Be sure to check the following items to maintain the watch after use in water. Items to check after use in water • The watch is cleansed with fresh water immediately after use in water and water is wiped away with a dry soft cloth or something similar.
  • Page 29 Water depth measurement After use in water (continued) When cleansing the watch with fresh water Cleanse the watch in a basin or something similar filled with fresh water. • Do not expose the watch directly to water flowing from a water tap. •...
  • Page 30 When fog appears inside the watch’s glass or water enters the watch If the inside of the watch fogs up for a long time or sea water enters it, put it in a box or plastic bag and immediately consult your nearest authorized Citizen service center for repair.

  • Page 31: Reviewing The Maximum Water Depth Record

    Reviewing the maximum water depth record About storing the maximum water depth The maximum water depth hand indicates the maximum diving depth of each measurement. The maximum water depth is ready to be stored when either of the following conditions is met and the stored record can be indicated after finishing measurement: •...
  • Page 32 Reviewing the maximum water depth record • Make sure that the watch is not wet before operating the crown or any buttons. • To unscrew/screw the crown/button, see page 11. Press and release the lower left button while the crown’s position is . The maximum water depth hand indicates the maximum depth stored (→...

  • Page 33: About The "Over" Indication

    About the “OVER” indication When the water sensor remains wet The water depth hand and maximum water depth hand point to “OVER” when the water sensor detects water drops or perspiration for 60 consecutive minutes. • Measurement is not available when the hands point to “OVER”. •...
  • Page 34 About the “OVER” indication When water depth changes suddenly The water depth hand and maximum water depth hand point to “OVER” when depth change of ±4 m or more in 1 second is detected. • Measurement is not available when the hands point to “OVER”. •...

  • Page 35: Setting The Time

    Setting the time • Make sure that the watch is not wet before operating the crown or any buttons. • To unscrew/screw the crown/button, see page 11. Pull the crown out to position as the second hand points 0 second. The watch stops and the water depth hand and maximum water depth hand move to their reference positions.

  • Page 36: Adjusting The Calendar

    Adjusting the calendar You must correct the date on the first day of March, May, July, October and December. • Do not set the date during the period below, when the date indication is changing on this watch. If you do the date indication may change incorrectly. Period of time: From 10PM to 0AM (12:00AM) •...

  • Page 37: Using The Rotating Bezel

    Using the rotating bezel You can see the elapsed time from a certain moment, or remaining time to a decided moment, easily by using the rotating bezel. • Be sure to use a specialized instrument when diving. Use the watch only as a reference.
  • Page 38 Using the rotating bezel Finding the remaining time on the rotating bezel to the decided time (up to 60 minutes). You can see the remaining time by reading the scale between the minute hand and...

  • Page 39: Checking And Correcting The Reference Position

    Checking and correcting the reference position Check whether the reference position of the hands is correct when water depth indication is not correct. What is the reference position? Correct reference positions The base position of hands to indicate water depth and the maximum water depth. •...
  • Page 40 Checking and correcting the reference position Checking the reference position Check whether the reference positions of the water depth hand and maximum water depth hand are correct. • Make sure that the watch is not wet before operating the crown or any buttons. •...
  • Page 41 Checking and correcting the reference position Check the reference positions. Check the reference positions referring to page 38. • Water depth hand: 0 m (3:00) • Maximum water depth hand: 0 m (3:00) If any reference position is incorrect, correct it following step 3 (page 42) and after.
  • Page 42 Checking and correcting the reference position Correcting the reference position Correct the hands and indication to make them show their correct reference positions. • Adjust the time after correcting the reference position. • Make sure that the watch is not wet before operating the crown or any buttons. •...
  • Page 43 Checking and correcting the reference position Press and hold the lower left button for 2 seconds or more. The water depth hand moves to the 10-second position and the maximum water depth hand becomes ready to have its reference position adjusted. Press and release the upper left button Each time you press and release upper left button the hand moves by 1 step.
  • Page 44 Checking and correcting the reference position Press and release the lower left button change the hand to be corrected. The maximum water depth hand moves to the 10-second position and the water depth hand becomes ready to have its reference position adjusted. •...

  • Page 45: Troubleshooting

    Troubleshooting If you have a problem with your watch, check the items below. Symptom Remedies Page Cannot measure water depth The two hands point to “OVER”. Measured depth is out of indication range (0 to 70 m). The hands return to depth indication as depth comes back within range.
  • Page 46 The two hands point to “OVER”. problems if the “OVER” indication is not stopped even after executing remedies on the previous page or the indication occurs frequently. − Consult the nearest Authorized Citizen Service Center. Continued on the next page...
  • Page 47 Troubleshooting Symptom Remedies Page Water depth measurement does not start Push the crown in to position The power reserve indication Be sure the watch is fully charged. hand does not point to “READY” even after taking the watch into water. Ensure no foreign object, debris or dirt is on −...
  • Page 48 Troubleshooting Symptom Remedies Page Movement of a hand seems unusual Wipe water away from the water sensor with − The water depth hand and dry soft cloth or something similar. maximum water depth hand move irregularly. Press and hold the upper left button for 5 −...
  • Page 49 Troubleshooting Symptom Remedies Page Movement of a hand seems unusual (continued) The second hand moves once Insufficient charge warning. Fully charge the every two seconds. watch. − Pull the crown in to position The second hand does not move. Charge the watch in direct sunlight for about 2 hours.
  • Page 50 Troubleshooting Symptom Remedies Page Calendar is incorrect. Date indication is incorrect. Adjust the calendar.
  • Page 51 Troubleshooting You can reset the watch to the initial status (All Reset). • The maximum water depth is kept even after All Reset. Be sure to perform the following operations after All Reset. Correct the reference positions. After All Reset, the watch is in the reference position adjustment mode. Refer to step 4 (page 42) and after.
  • Page 52 Troubleshooting Check the power reserve indication. • Make sure that the watch is not wet • Charge if the power reserve level is lower than “2”. before operating Pull the crown out to position . the crown or any The water depth hand and maximum water depth buttons.

  • Page 53: Eco-Drive Watch Handling Precautions

    Eco-Drive watch handling precautions <Always Make Sure to Recharge Frequently>...
  • Page 54 Eco-Drive watch handling precautions CAUTION Recharging Precautions Examples:...
  • Page 55 Eco-Drive watch handling precautions <Replacement of Rechargeable Cell> <Replacement of Rechargeable Cell> WARNING Handling of Rechargeable Cell WARNING Handling of Rechargeable Cell...
  • Page 56 Eco-Drive watch handling precautions WARNING Use Only the Specified Battery...

  • Page 57: Water Resistance

    Water resistance WARNING Water Resistance • Diver’s water-resistant watches can be used only for scuba diving using an air tank and not for saturation diving using a helium gas tank. Indication Name Specification Dial or Case back Water-resistant watch (AIR) DIVER’S 200 m 200m water resistant for scuba diving...
  • Page 58 Water resistance Water-related use Minor Operate the exposure to Swimming Scuba diving Saturation crown or button water (washing and general Skin diving, using an air diving using when the face, rain, etc.) washing work marine sports tank helium gas watch is wet...
  • Page 59 • The packing used for this watch is a consumable part and will deteriorate over long-term use. Deterioration may lead to water penetration, causing the watch to malfunction or stop. Consult the nearest Citizen service center for inspection (for a charge) every 2 or 3 years, and replace the packing, glass or other parts as necessary.

  • Page 60: 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 61 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 customer support 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. Otherwise, pressure inside the watch will increase, and parts (crystal, crown, push button, etc.) may come off.
  • Page 62 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. • Do not wear the band too tightly. Try to leave enough space between the band and your skin to allow adequate ventilation. • The rubber (urethane) band may be stained by dyes or soil present in or on clothing or other accessories. Since these stains may not be removable, caution is required when wearing your watch with items that tend to easily transfer color (articles of clothing, purses, etc.). In addition, the band may be deteriorated by solvents or moisture in the air. Replace with a new one when it has lost elasticity or become cracked.
  • Page 63 CAUTION When Wearing Your Watch (continued) • Please request adjustment or repair of the band in the following cases: • Please request adjustment or repair of the band in the following cases: - You notice an abnormality with the band due to corrosion. - You notice an abnormality with the band due to corrosion. - The pin of the band is protruding. - The pin of the band is protruding. • We recommend seeking the assistance of an experienced watch technician for sizing of your • 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. 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. Other shops may charge for, or may Consult your nearest authorized Citizen service center. Other shops may charge for, or may not provide, the service. Consult an authorized service center. not provide, the service. <Temperature> <Temperature> • The watch may stop or the function of the watch may be impaired in extremely high or low • The watch may stop or the function of the watch may be impaired in extremely high or low temperature. Do not use the watch in places where the temperature is outside the operating temperature. Do not use the watch in places where the temperature is outside the operating temperature range as stated in the specifications on page temperature range as stated in the specifications on page <Magnetism>...
  • Page 64 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 materials. Be careful when handling these chemicals. Contact with mercury such as that used in thermometers may also cause discoloration of the band and case. <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 the protective stickers and the parts, which may result in a skin rash and/or corrosion of the metal parts.
  • Page 65 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. In rare circumstances, accumulated dirt, foreign matter may cause irritation with the skin. If you notice this, discontinue wearing the watch and consult your physician. • Be sure to periodically clean foreign matter and accumulated materials from the metal band, synthetic rubber strap (polyurethane) and/or metal case using a soft brush and mild soap. Be careful not to allow moisture on the case if your watch is not water resistant. • Leather bands may become discolored by perspiration or dirt. Always keep your leather band clean by wiping with a dry cloth.
  • Page 66 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. <When Luminous Paint is used for your watch> The paint on the dial and hands helps you with reading the time in a dark place. The luminous paint stores light (daylight or artificial light) and glows in a dark place. It is free from any radioactive substance or any other material harmful to a human body or environment. • The light emission will appear bright at first and then diminish as time passes. • The duration of the light (“glow”) will vary depending on the brightness, types of and distance from a light source, exposure time, and the amount of the paint. • The paint may not glow and/or may dissipate quickly if exposure to light was not sufficient.

  • Page 67: Specifications

    Specifications Specifications and contents of this booklet are subject to change without prior notice. Model Type J250 Analog solar-powered watch Timekeeping Average monthly accuracy: ±15 seconds when worn at normal accuracy operation temperatures between +5°C (41°F) and +35°C (95°F) Operating ‒10°C (14°F) to +60°C (140°F) temperature range •...
  • Page 68 Specifications • Solar power function • Power reserve indication (in four levels) • Overcharging prevention function • Insufficient charge warning function (two-second interval movement) Additional • Water depth measurement function functions • Maximum water depth indication function • Water detection function (“READY”) •...
  • Page 70 Model No.BN2＊ Cal.J250 CTZ-B8180 ①...

This manual is also suitable for:

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