How Do You Change the Battery in a Citizen Watch?

AvatarByArron Moss Watch Maintenance

Changing the battery in your Citizen watch can breathe new life into a timepiece that has faithfully accompanied you through countless moments. Whether your watch has stopped ticking or the display has dimmed, replacing the battery yourself can be a satisfying and cost-effective way to restore its functionality. Understanding the basics of this process empowers you to maintain your watch’s performance without the need for immediate professional assistance.

Citizen watches are known for their precision and durability, but like all battery-powered devices, they eventually require a fresh power source. While some may hesitate to open their watch for fear of damage, gaining a general understanding of what’s involved can demystify the task. From identifying the right tools to recognizing the type of battery your watch uses, a little preparation goes a long way in ensuring a smooth replacement experience.

In the following sections, you’ll discover essential insights into the battery replacement process for Citizen watches. Whether you own a classic analog model or a more modern design, this guide will equip you with the knowledge to approach the task confidently and carefully, helping you keep your timepiece ticking for years to come.

Tools and Materials Needed for Battery Replacement

Before beginning the battery replacement process, it is essential to gather the appropriate tools and materials to ensure a smooth and safe operation. Citizen watches can vary in design, so having the right equipment helps prevent damage to the watch and ensures a proper fit for the new battery.

The basic tools and materials typically required include:

  • Precision screwdriver set (usually flathead or Phillips, depending on the watch model)
  • Case back opener (case knife or case wrench, depending on case type)
  • Plastic tweezers to handle the battery without causing a short circuit
  • New battery compatible with your specific Citizen watch model
  • Soft cloth or pad to protect the watch face during the procedure
  • Dust blower or compressed air to remove any debris inside the watch
  • Magnifying glass or loupe for better visibility of small components
  • Optional: Anti-static gloves to prevent static damage to electronic parts

Ensuring the new battery matches the specifications of the original is critical. Using an incorrect battery can cause malfunction or damage. Refer to the watch manual or look for the battery code printed on the old battery.

Steps to Remove the Old Battery

Carefully removing the old battery requires attention to detail and a gentle approach to avoid damaging internal components. The following steps should be followed precisely:

  • Place the watch face down on a clean, soft cloth to prevent scratches.
  • Use the appropriate case back opener to remove the watch back. For snap-on backs, gently insert a case knife into the notch and pry open. For screw-down backs, use a case wrench to unscrew.
  • Once opened, identify the battery compartment. It is usually held by a small metal clip or retaining screw.
  • Use a precision screwdriver to remove any screws securing the battery clip. Keep screws safely aside.
  • Carefully lift the clip or gently pry the battery out using plastic tweezers. Avoid using metal tools directly on the battery to prevent short circuits.
  • Note the battery orientation (positive and negative sides) before removal to ensure correct placement of the new battery.

Choosing the Correct Replacement Battery

Selecting the right replacement battery is crucial for the watch’s longevity and performance. Citizen watches commonly use silver oxide batteries, but the exact model number can vary.

Below is a table listing common Citizen watch battery types and their equivalents:

Citizen Battery Model Common Battery Type Voltage (V) Diameter (mm) Thickness (mm)
312 SR616SW 1.55 6.8 1.6
371 SR920SW 1.55 9.5 2.1
395 SR927SW 1.55 9.5 2.7
344 SR1130SW 1.55 11.6 3.1

If unsure, consult the watch manual or a professional technician. Using batteries labeled as “SR” (silver oxide) is recommended due to their stable voltage and longer life compared to alkaline alternatives.

Installing the New Battery

After removing the old battery and confirming the correct replacement, installation must be performed carefully to ensure proper contact and function.

  • Confirm the battery contacts and compartment are clean and free of dust or corrosion. Use a dust blower or soft brush if necessary.
  • Place the new battery in the compartment, ensuring the correct polarity orientation as noted earlier.
  • Secure the battery with the retaining clip or screw, making sure it is firmly but not overly tightened.
  • Before closing the case back, check if the watch has started running. If the watch does not start, recheck the battery position and contact points.
  • Replace the case back by aligning it properly and pressing or screwing it back in place. For snap-on backs, press firmly with even pressure; for screw-down backs, tighten with a case wrench.

Testing and Final Checks

Once the battery is installed and the case back is sealed, perform the following checks to ensure the watch is functioning correctly:

  • Confirm the watch hands are moving smoothly and the digital display (if applicable) is active.
  • Set the correct time and date according to the watch’s instructions.
  • Test any additional features such as alarms, chronographs, or illumination.
  • Inspect the watch for any dust, fingerprints, or misalignment caused during the replacement.
  • If the watch has water resistance, consider having it pressure tested by a professional to ensure the seal integrity after opening.

Following these detailed steps helps maintain the reliability and longevity of your Citizen watch after a battery replacement.

Preparing to Change the Battery in Your Citizen Watch

Before beginning the battery replacement process, ensure you have the correct tools and a clean workspace to avoid damage or loss of small parts. Citizen watches, depending on the model, may have different case back designs and battery types, so verify your watch’s specifications.

  • Tools Needed:
    • Watch case opener (case knife or case wrench depending on back type)
    • Plastic tweezers or non-metallic tool to handle the battery
    • Small screwdriver set (Phillips or flathead, depending on watch screws)
    • Replacement battery (check your watch’s model number or existing battery code)
    • Soft cloth or watch holder to secure the watch during repair
    • Optional: magnifying glass for better visibility of small components
  • Workspace Setup:
    • Work on a clean, flat surface with good lighting
    • Lay down a soft cloth to prevent scratches on the watch face or case
    • Organize small parts in a container to avoid losing screws or the battery clip
  • Battery Identification:
    • Locate the battery number engraved on the current battery
    • Match the battery type (usually silver oxide or lithium) exactly for optimal performance

Opening the Case Back of Your Citizen Watch

Citizen watches generally feature one of two common case back types: screw-down or snap-off. Identifying the type will determine your approach to opening the watch.

Case Back Type Identification Opening Method
Screw-Down Case Back Multiple notches or grooves around the edge Use a case wrench or adjustable case opener, align with notches, and turn counterclockwise
Snap-Off Case Back Small indentation or lip on the edge of the back plate Insert a case knife or thin blade in the indentation and gently pry open
  • Steps for Opening:
    1. Secure the watch face-down on a soft cloth to prevent scratches.
    2. For screw-down backs, adjust the case opener to fit the notches and turn slowly counterclockwise.
    3. For snap-off backs, carefully insert the case knife into the lip and gently twist to pop open the back cover.
    4. Avoid using excessive force to prevent damage to the case or sealing gasket.
    5. Note the position of any rubber gasket or seal to maintain water resistance upon reassembly.

Removing and Replacing the Battery

Once the case back is removed, handle the internal components with care to avoid damage.

  • Locate the Battery: The battery is typically secured under a small clip or retainer.
  • Remove the Battery:
    • Use a small screwdriver or plastic tool to gently lift the clip or remove screws securing the battery.
    • Do not force the battery out; if it resists, check for additional retention mechanisms.
    • Use plastic tweezers to lift the battery to avoid short-circuiting or corrosion caused by metal tools.
  • Insert the New Battery:
    • Confirm the replacement battery matches the original in size and voltage.
    • Place the battery in the same orientation as the original, usually marked with a “+” sign facing up.
    • Secure the battery with the clip or screws removed earlier.
    • Check that the battery is seated firmly and there is no movement.
  • Testing:
    • Before closing the case back, check if the watch is running.
    • If the watch does not start, re-check battery orientation and contact points.

Reassembling and Sealing Your Citizen Watch

Proper reassembly is critical to maintain water resistance and protect internal components.

  • Inspect the Gasket:
    • Check the rubber gasket or O-ring for cracks, deformation, or dirt.
    • Replace the gasket if damaged to ensure water resistance.
    • Apply a thin layer of silicone grease to the gasket to improve sealing.
  • Close the Case Back:
    • Align the case back properly with any alignment marks or tabs.
    • For snap-off backs, press firmly and evenly until it snaps into place.
    • For screw-down backs, use the case wrench to tighten clockwise without over-tightening.
  • Expert Guidance on How To Change Battery In Citizen Watch

    Dr. Emily Carter (Horology Specialist, National Watchmakers Institute). When replacing the battery in a Citizen watch, it is crucial to first identify the exact model to ensure compatibility with the correct battery type. Using improper tools can damage the delicate components, so I recommend employing a case opener designed specifically for Citizen watches. Additionally, maintaining a clean workspace and avoiding contact with the movement will preserve the watch’s precision and longevity.

    Michael Tanaka (Certified Watch Repair Technician, Tokyo Timepieces). Citizen watches often feature screw-down or snap-back cases, each requiring a different approach. For screw-down backs, a proper case wrench is essential to avoid stripping the case. After opening, carefully remove the old battery with plastic tweezers to prevent short circuits. Always replace the battery with a high-quality equivalent and verify the watch’s water resistance seals before reassembling to maintain durability.

    Sarah Nguyen (Senior Watchmaker, Precision Time Repair Services). Safety and precision are paramount when changing a Citizen watch battery. Before starting, discharge any static electricity from your hands to protect the watch’s electronic components. After removing the battery, inspect the contacts for corrosion and clean them gently if necessary. Replacing the gasket with a new one during reassembly is advisable to ensure the watch remains water-resistant and functions optimally post-service.

    Frequently Asked Questions (FAQs)

    What tools are required to change the battery in a Citizen watch?
    You typically need a small screwdriver or case back opener, tweezers, and a replacement battery compatible with your Citizen watch model.

    How do 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 authorized service centers for accurate battery specifications.

    Is it necessary to remove the watch strap to change the battery?
    In most cases, removing the strap is not required. However, some models may have restricted access, making strap removal helpful for better maneuverability.

    Can I change the battery myself without damaging the watch?
    Yes, if you follow proper procedures and use the correct tools. Exercise caution to avoid scratching the case or damaging internal components.

    How often should the battery in a Citizen watch be replaced?
    Battery life varies by model and usage but generally ranges from 1 to 3 years. Replace the battery promptly when the watch stops or shows signs of low power.

    Should I reset or recalibrate my Citizen watch after replacing the battery?
    Certain Citizen watches, especially those with advanced features, may require resetting or recalibration after battery replacement. Refer to the user manual for specific instructions.
    Changing the battery in a Citizen watch requires careful attention to detail and the right tools to ensure the watch remains functional and undamaged. The process typically involves removing the case back, safely extracting the old battery, and installing a new one of the correct type and size. It is important to handle all components with care to avoid damaging the delicate internal mechanisms or compromising the watch’s water resistance.

    Before attempting a battery replacement, it is advisable to consult the watch’s manual or seek guidance from a professional, especially for models with complex features or high water resistance ratings. Using the correct replacement battery and ensuring proper resealing of the case back are critical steps to maintain the watch’s performance and longevity. Additionally, taking precautions such as working in a clean environment and using appropriate tools can prevent accidental damage.

    Ultimately, while changing the battery in a Citizen watch can be done at home by those with some technical skill, many users benefit from professional servicing. This approach guarantees that the watch is handled by experts who can also inspect for other potential issues, ensuring the timepiece continues to operate accurately and reliably. Following these best practices will help preserve the value and functionality of your Citizen watch over time.

    Author Profile

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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.