Citizen 8203B Instruction Manual
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Citizen 8203B Instruction Manual

Citizen 8203B Instruction Manual

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Request to Customers
All repairs performed on this watch, including repairs involving the
band, are to be performed at the CITIZEN. When desiring to have your
watch repaired or inspected, place contact the Citizen Service Center
either directly or through the store where you purchased your watch.
2

Package Contents

Once you have opened the package, first check whether the following product and
accessories are contained in the package.
Watch
Extension band
Instruction manual
Rotating bezel spring (spare)
3

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Summary of Contents for Citizen 8203B

  • Page 1: Package Contents

    All repairs performed on this watch, including repairs involving the Watch band, are to be performed at the CITIZEN. When desiring to have your watch repaired or inspected, place contact the Citizen Service Center either directly or through the store where you purchased your watch.

  • Page 2: Table Of Contents

    Contents 1. Features of the Citizen Promaster 1000 m Professional Diver 1. Features of the Citizen Promaster 1000 m Professional Diver ... 5 This watch is a diver’s watch designed to withstand depths down to 1000 m (water 2. Names of Components ................7 pressure equivalent to 100 atm).

  • Page 3: Names Of Components

    4. Rotating Bezel with Reverse Rotation Prevention Mechanism to Prevent 2. Names of Components Incorrect Operation * The rotating bezel, which is important for checking diving time, employs a reverse rotation prevention mechanism that prevents the rotating bezel from being rotated Rotating bezel inadvertently.

  • Page 4: Before Using

    3. Before Using [General Reference for Winding Mainspring when Completely Unwound] * After first loosening the screw down locking crown, turn it to the right about 40 This watch is a mechanical watch (self-winding). Before using, disengage the screw revolutions to fully wind the mainspring. down locking crown and turn it to the right by hand to wind the watch mainspring.

  • Page 5: Setting The Time And Date

    4. Setting the Time and Date 2. Setting the Date (1) Turn the crown to the left to loosen the screw down lock. (2) Pull the crown out to the first click. 1. Setting the Time (3) Turn the crown to set the date and day (rapid (1) Turn the crown to the left to loosen the screw down lock.

  • Page 6: Helium Escape Valve

    Notes: 5. Helium Escape Valve * Avoid rapid correction of the date when the watch hands are between the hours of 9:00 PM and 4:30 AM. Correcting the date during this time period may prevent the An helium escape valve is provided that automatically discharges helium gas that has date from changing on the following day.

  • Page 7: Using The Rotating Bezel

    6. Using the Rotating Bezel Determination of Remaining Time * The remaining time can be determined by aligning the mark on the rotating bezel The rotating bezel can be used as a reference for elapsed time during diving or for the with the target time.

  • Page 8: Before Diving

    7. Before Diving 8. Cautions While Diving Always make sure to check the following items before diving. 1. Never operate the crown while diving. 2. Do not disengage the rotating bezel clamp locking lever while diving. 1. Is the watch mainspring sufficiently wound? 3.

  • Page 9: Maintenance After Diving

    9. Maintenance After Diving 10. Disassembly and Assembly of Rotating Bezel and Rotating Bezel Clamp 1. After diving, thoroughly rinse the watch with pure water and carefully wipe off the moisture with a dry cloth. When rinsing with water, first check to make sure that the [Exploded View of Rotating crown is securely locked.
  • Page 10 [Disassembly Procedure] 2. Turn the rotating bezel clamp to the 3. Lift the rotating bezel straight up and 4. Remove the rotating bezel spring. right and remove (this is opposite remove. 1. Open the rotating bezel clamp lever in the direction of an ordinary screw). the direction of the arrow while simultaneously lowering the stopper.
  • Page 11 [Assembly Procedure] 2. Install the rotating bezel and turn to 3. Install the rotating bezel clamp and 4. Move the rotating bezel clamp locking lever in the direction of the the left while gently pressing from turn to the left until it is tightly 1.

  • Page 12: Handling

    5. Check the following items after assembling. 11. Handling * Does the rotating bezel turn smoothly to the left? Does it turn to the right? (do not use excessive force when turning to confirm this). * When wearing the watch over a wetsuit and so forth, and the length of the standard * Is the rotating bezel clamp screwed on tightly, and is it installed properly? In band is not long enough, attach the extension band provided to adjust the length of addition, is there a gap between the watch case and the rotating bezel clamp?

  • Page 13: Precautions

    WARNING: Water Resistance Performance Please have your watch inspected at a Citizen Service Center once every 2-3 years to This divers watch is designed to withstand diving to a depth of 1000 m (water pressure maintain water resistance. Have the packing, glass, crown or other parts replaced as equivalent to 100 atm).
  • Page 14 NOTE: Avoid using solvents (thinner, benzine, etc.), as they may mar the finish. • If moisture has entered the watch, or if the inside of the crystal is fogged up and does not become clear within a day, immediately take the watch to your dealer or Citizen CAUTION: Operating environment Service Center for repair.

  • Page 15: Specifications

    Your watch needs inspection once in every two or three years for safety and long use. * Specifications are subject to change without notice. To keep your watch water-resistant, the packing needs to be replaced regularly. Other parts need to be inspected and replaced if necessary. Ask for Citizen geuine parts upon replacement.

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