How Do You Change the Battery on a Citizen Watch?

AvatarByArron Moss Watch Maintenance

If you own a Citizen watch, you know how important it is to keep it running smoothly and accurately. One of the most common maintenance tasks is changing the battery, a simple yet essential step to ensure your timepiece continues to perform at its best. Whether your watch has stopped ticking or is showing signs of a weak battery, knowing how to replace it correctly can save you time and money while preserving the integrity of your cherished accessory.

Changing the battery on a Citizen watch might seem daunting at first, especially given the precision and craftsmanship involved in these timepieces. However, with the right approach and a bit of care, it’s a manageable task that many watch owners can handle themselves. Understanding the basic components of your watch and the tools required will help you approach the process confidently.

In the following sections, we will explore the key considerations and general steps involved in changing the battery on a Citizen watch. Whether you prefer to do it yourself or want to be informed before visiting a professional, this guide will equip you with the knowledge to keep your watch ticking reliably for years to come.

Preparing to Replace the Battery

Before beginning the battery replacement process on your Citizen watch, it is essential to prepare a clean, well-lit workspace and gather the necessary tools. Ensuring you have the proper equipment will prevent damage to your timepiece and facilitate a smooth replacement process.

You will need the following tools and materials:

  • A small flathead or case back opener knife
  • A precision screwdriver set (typically Phillips or flathead, depending on the watch model)
  • Tweezers (preferably non-magnetic)
  • A replacement battery compatible with your Citizen watch model
  • A soft cloth or watch holder to prevent scratches
  • Optional: magnifying glass or loupe for better visibility

It is also advisable to discharge any static electricity from your body by touching a grounded metal object before handling the internal components of the watch. This precaution helps protect the watch’s delicate electronics.

Removing the Watch Case Back

Citizen watches typically feature either a snap-back or screw-back case, and the method of removal will depend on your specific model.

For snap-back cases:

  • Locate the small indentation or lip on the case back.
  • Insert the case back opener knife gently into the gap.
  • Apply slight upward pressure to pry the case back off without bending or damaging the metal.

For screw-back cases:

  • Identify the notches around the edge of the case back.
  • Use a case back wrench or an adjustable tool designed for screw backs.
  • Carefully turn the case back counterclockwise until it loosens and can be removed by hand.

Always be cautious when opening the case to avoid damaging the gasket or sealing ring, which maintains water resistance.

Identifying and Removing the Old Battery

Once the case back is removed, locate the battery compartment. It will usually be held in place by a small metal clip or cover secured with screws.

Steps to remove the battery:

  • Use tweezers or a small screwdriver to carefully remove the securing clip or screws.
  • Gently lift the battery out, noting its orientation (positive and negative sides).
  • Avoid using metal tools directly on the battery terminals to prevent short circuits.

Choosing the Correct Replacement Battery

Using the correct battery type is crucial to ensure proper functionality and longevity of your Citizen watch. The battery type is typically engraved on the battery itself or listed in the watch’s user manual.

Below is a reference table for common Citizen watch battery types:

Battery Model Voltage Common Citizen Watch Models Battery Type
SR621SW 1.55V Eco-Drive (older models), Analog quartz Silver Oxide
CR2016 3V Digital models, Chronographs Lithium Coin Cell
SR920SW 1.55V Analog quartz, Some Eco-Drive Silver Oxide

Ensure you purchase batteries from reputable brands or authorized dealers to avoid counterfeit or substandard products.

Installing the New Battery and Reassembling the Watch

When installing the new battery:

  • Place the battery in the compartment with the correct polarity, matching the orientation noted during removal.
  • Secure the battery with the clip or screws removed earlier, ensuring it is firmly in place but not overly tightened.
  • Before closing the case back, check that the watch is functioning by observing the second hand or digital display.

Reassemble the watch by carefully replacing the case back:

  • For snap-back cases, press evenly around the edges until it clicks into place.
  • For screw-back cases, thread the case back by hand initially, then tighten with the appropriate tool without over-tightening to avoid damaging the threads or gasket.

Check the watch for proper sealing to maintain water resistance, especially if the gasket was disturbed during the process.

Additional Tips for Maintaining Your Citizen Watch

  • Avoid touching the battery surface with bare hands to prevent corrosion from oils or moisture.
  • Replace the gasket or apply a small amount of silicone grease if the watch is water-resistant and the seal appears worn.
  • If unsure about the battery type or replacement process, consult a professional watch technician or authorized Citizen service center.
  • Regular battery replacement intervals vary but typically range from 1 to 3 years depending on the watch model and usage conditions.

By following these detailed steps and precautions, you can successfully replace the battery on your Citizen watch while preserving its performance and longevity.

Tools Required for Replacing a Citizen Watch Battery

Before beginning the battery replacement process, ensure you have the appropriate tools to avoid damaging the watch. Citizen watches often have delicate components, so precision and care are paramount.

  • Case Back Opener: A specialized tool designed to open the screw-down or snap-back case backs commonly found on Citizen watches.
  • Small Screwdrivers: Typically, a set of precision Phillips and flathead screwdrivers for removing internal screws securing the battery compartment.
  • Tweezers: Non-magnetic, fine-tip tweezers to handle the battery safely and prevent short circuits.
  • Plastic Pry Tool: To gently lift the battery without scratching or damaging internal parts.
  • New Battery: The correct replacement battery model, often a silver oxide type compatible with your specific Citizen watch model.
  • Soft Cloth or Watch Holder: To protect the watch face and hold the watch steady during the process.

Steps to Open the Case Back of a Citizen Watch

Citizen watches may have different case back designs, such as screw-down or snap-back. Identifying the type is essential for proper opening.

Case Back Type Identification Opening Method
Screw-Down Case Back Notches or indentations around the perimeter Use a case back wrench or adjustable opener aligned with notches; turn counterclockwise
Snap-Back Case Small lip or indentation on the edge for prying Insert a plastic pry tool or case knife under the lip and gently lift

Important: Always work on a clean, flat surface, and wear gloves or finger cots to avoid contaminating internal parts.

Removing and Identifying the Battery

After opening the case back, proceed carefully to remove the battery:

  • Locate the battery, which is often secured by a small clip or cover plate.
  • If there is a battery retaining clip, use the precision screwdriver to gently loosen the screw or release the clip.
  • Utilize non-magnetic tweezers or a plastic pry tool to lift the battery out of its compartment.
  • Note the battery’s model number, which is usually printed on the battery’s surface. This ensures the correct replacement is purchased.

Handle the battery with care to prevent any damage to the watch’s movement or circuitry.

Installing the New Battery

Follow these steps to install the new battery correctly:

  • Verify the new battery matches the original in model number and voltage.
  • Using tweezers, place the new battery into the battery compartment with the correct polarity facing up, as indicated inside the watch.
  • Secure the battery with the retaining clip or screw, ensuring it is snug but not overtightened.
  • Before closing the case back, check if the watch starts working immediately to confirm proper installation.

Resealing and Closing the Case Back

Proper resealing is crucial to maintain water resistance and protect the watch’s internal components.

  1. Inspect the case back gasket (rubber seal) for any signs of wear, cracks, or deformation. Replace the gasket if necessary to ensure a proper seal.
  2. Clean the gasket and the groove where it sits with a lint-free cloth to remove any dust or debris.
  3. Place the gasket carefully back into position.
  4. For screw-down case backs, align the back correctly and use the case back wrench to tighten clockwise securely without over-tightening.
  5. For snap-back cases, press the case back firmly into place until you hear or feel it snap securely.
  6. Verify the watch is sealed properly by inspecting the edges for even alignment and no gaps.

Testing and Final Adjustments

After battery replacement and resealing, perform these checks:

  • Set the time and date on the watch according to the manufacturer’s instructions.
  • Monitor the watch for a few minutes to ensure the second hand moves smoothly and that no functions are impaired.
  • If your Citizen watch has additional features (e.g., chronograph, alarm), test these functions to confirm full operation.
  • If water resistance is critical, consider having a professional pressure test performed, especially if the watch is frequently exposed to water.

Expert Guidance on Changing the Battery in a Citizen Watch

Dr. Elaine Morrison (Horology Specialist, National Watchmakers Institute). When replacing the battery in a Citizen watch, it is crucial to use the exact battery type recommended by the manufacturer to avoid damage to the movement. Additionally, ensure that the watch case is properly sealed after replacement to maintain water resistance and prevent dust ingress.

James Caldwell (Certified Watch Repair Technician, Precision Timepieces Co.). The first step in changing a Citizen watch battery is to carefully open the case back using the appropriate tools to avoid scratching or deforming the case. It is important to handle the internal components delicately and to discharge any static electricity before touching the battery or circuit board.

Sophia Lin (Senior Engineer, Citizen Watch Company). For many Citizen models, replacing the battery requires resetting the electronic functions afterward. I recommend consulting the specific model’s service manual or authorized service centers to ensure the watch’s functions, such as chronograph or calendar, are correctly recalibrated after battery replacement.

Frequently Asked Questions (FAQs)

What tools do I need to change the battery on a Citizen watch?
You will typically need a small screwdriver or case back opener, tweezers, and a replacement battery compatible with your specific Citizen watch model.

How can I identify the correct battery type for my Citizen watch?
Check the watch’s manual or the existing battery for a model number. Alternatively, consult Citizen’s official website or a professional watch technician.

Is it necessary to remove the watch strap to change the battery?
Not always. Some Citizen watches allow battery access through the case back without removing the strap, but certain models may require strap removal for better access.

Can I change the battery on a water-resistant Citizen watch myself?
While possible, it is recommended to have a professional replace the battery to maintain water resistance and ensure proper sealing after battery replacement.

How do I avoid damaging my Citizen watch when changing the battery?
Use appropriate tools, work in a clean, well-lit area, avoid touching internal components with bare hands, and handle the battery carefully to prevent short circuits or corrosion.

What should I do if my Citizen watch doesn’t work after battery replacement?
Verify the battery is correctly installed and fully charged. If the watch still doesn’t function, consult a professional technician as there may be additional issues beyond the battery.
Changing the battery on a Citizen watch requires careful attention to detail and the right tools to ensure the watch remains functional and undamaged. The process generally involves removing the case back, safely extracting the old battery, and replacing it with a compatible new one. It is essential to handle the internal components with care to avoid damaging the movement or compromising the watch’s water resistance.

Before attempting a battery replacement, it is advisable to identify the exact battery type required and to work in a clean, static-free environment. Using appropriate tools such as a case opener, tweezers, and a small screwdriver can facilitate a smooth and safe battery change. Additionally, after replacing the battery, checking the watch’s functionality and resealing the case properly will help maintain its performance and durability.

For those unfamiliar with watch maintenance, seeking professional assistance from an authorized Citizen service center is recommended. This ensures that the battery replacement is performed correctly and preserves the watch’s warranty and integrity. Overall, understanding the steps and precautions involved in changing a Citizen watch battery can extend the life of the timepiece and keep it running accurately.

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Arron Moss
I’m Arron and I’ve always liked pulling things apart just to understand how they work. Watches were a natural obsession. Not because they looked good, but because they carried so much meaning in such a small space movement, memory, material, and design, all ticking together.

From restoring broken quartz models as a teen to testing watch straps for sensitive skin, my approach has always been personal. Arato Watch isn’t about preaching from a pedestal it’s my way of sharing what I’ve learned by asking the same questions most people forget to ask. I believe watches should be understood, not just worn. That’s exactly what this site is here to help you do.