How Do You Change the Battery in a Citizen Watch?
Changing the battery in your Citizen watch can breathe new life into a beloved timepiece, restoring its precision and reliability without the need for costly replacements. Whether your watch has stopped ticking or is showing signs of a weakening battery, understanding the basics of battery replacement empowers you to take control of your watch’s maintenance. This simple yet essential task ensures your Citizen watch continues to keep perfect time and remain a trusted accessory for years to come.
Replacing a watch battery might seem intimidating at first, especially with the intricate design and craftsmanship that Citizen is known for. However, with the right knowledge and a careful approach, many watch owners can confidently perform this maintenance themselves. Familiarizing yourself with the general process and necessary precautions can save you time and money, while also deepening your appreciation for the mechanics behind your watch.
In the following sections, you’ll gain insight into the key considerations when changing a Citizen watch battery, including tools, safety tips, and common challenges. Whether you’re a seasoned watch enthusiast or a first-time DIYer, this guide will prepare you to handle the battery replacement with ease and confidence.
Tools and Materials Needed for Battery Replacement
Before beginning the battery replacement process in your Citizen watch, it is essential to have the correct tools and materials on hand to ensure a safe and efficient procedure. Using improper tools can damage the watch casing or internal components.
The essential items include:
- Watch case opener: This tool is designed to safely remove the back cover without scratching or deforming the watch.
- Plastic tweezers: To handle the battery and avoid short circuits, plastic tweezers are preferable over metal ones.
- Small screwdriver set: Some Citizen watch models may require unscrewing components or battery holders.
- Replacement battery: The exact battery model compatible with your watch.
- Soft cloth or pad: To protect the watch face and prevent scratches during the process.
- Magnifying glass or loupe (optional): Helpful for seeing small components clearly.
- Anti-static gloves or finger cots (optional): To prevent oils and static electricity from damaging the watch internals.
Having these tools ready will make the battery replacement smoother and reduce the risk of damage.
Step-by-Step Battery Replacement Procedure
Begin by preparing a clean, well-lit workspace and laying the soft cloth down to protect your watch. Follow these steps carefully:
- Remove the watch band if necessary: Some models require the band to be removed to access the back cover.
- Open the back cover: Use the watch case opener to carefully pry or unscrew the back cover, depending on the model. Citizen watches typically have either snap-on or screw-back cases.
- Locate and remove the battery: Identify the battery compartment. If a battery clip or retaining screw is present, carefully loosen or remove it using the small screwdriver.
- Use plastic tweezers to lift the battery out gently, avoiding contact with metal tools.
- Identify the battery type: Check the battery number printed on the battery to ensure the correct replacement.
- Insert the new battery with the correct polarity orientation, typically with the positive (+) side facing up.
- Secure the battery by replacing any clips or screws.
- Close the back cover by snapping or screwing it back into place, ensuring it is properly sealed.
- Test the watch to confirm it is running correctly.
Avoid touching the internal parts unnecessarily and maintain a dust-free environment throughout the process.
Common Battery Types Used in Citizen Watches
Citizen watches utilize various battery models depending on the watch type and movement. Below is a table summarizing common battery types and their characteristics:
| Battery Model | Voltage (V) | Diameter (mm) | Thickness (mm) | Typical Use |
|---|---|---|---|---|
| SR920SW (370) | 1.55 | 9.5 | 2.1 | Quartz analog watches |
| SR626SW (377) | 1.55 | 6.8 | 2.6 | Small analog watches |
| CR2016 | 3.0 | 20.0 | 1.6 | Digital watches, chronographs |
| SR927W (395) | 1.55 | 9.5 | 2.7 | Analog watches with additional functions |
Consult your watch’s manual or the current battery marking to ensure you select the appropriate replacement.
Tips for Maintaining Your Citizen Watch Battery
To maximize battery life and prevent premature failure, consider the following maintenance tips:
- Avoid exposing the watch to extreme temperatures or moisture, which can degrade the battery.
- Remove the watch during activities where it might be subject to shocks or strong vibrations.
- Have the battery replaced as soon as the watch shows signs of slowing down or stopping to prevent leakage.
- Use genuine replacement batteries to ensure compatibility and longevity.
- If your watch is water-resistant, verify the seal integrity after battery replacement to maintain water resistance.
- Have the battery replaced by a professional if you are unsure about the procedure or lack the necessary tools.
Proper maintenance can extend your watch’s functionality and preserve its value over time.
Preparing to Change the Battery in Your Citizen Watch
Before beginning the battery replacement process, it is essential to gather the necessary tools and take precautionary measures to avoid damage to your Citizen watch. The following checklist outlines the items and conditions required:
- Tools Needed:
- Watch case opener or a small precision screwdriver set
- Tweezers (preferably non-metallic to prevent short circuits)
- Plastic or rubber gloves to avoid oils from your skin transferring to components
- Soft cloth or watch holder to protect the watch surface
- New battery compatible with your Citizen watch model (check the case back or manual for battery type)
- Magnifying glass or jeweler’s loupe for small component visibility
- Environment:
- Work on a clean, flat surface with good lighting
- Avoid static electricity by grounding yourself or working on an anti-static mat
Careful preparation ensures a smooth battery replacement and reduces the risk of internal damage or loss of small parts.
Accessing the Battery Compartment on a Citizen Watch
Citizen watches typically feature one of several types of case backs: snap-off, screw-down, or secured with small screws. Identifying the type of case back is crucial before proceeding.
| Case Back Type | Identification | Tools Required | Opening Method |
|---|---|---|---|
| Snap-off | Flat back with small lip or indentation for prying | Case knife or thin precision screwdriver | Insert blade into lip and gently pry open |
| Screw-down | Back with multiple small notches or holes on perimeter | Case wrench or adjustable watch case opener tool | Align tool to notches and rotate counterclockwise |
| Screwed-in | Back secured by small screws | Small precision screwdriver (Phillips or flathead) | Unscrew each tiny screw carefully and remove back |
When opening the case back:
- Apply minimal force to avoid scratching or deforming the case.
- If resistance is encountered, double-check tool alignment and case type.
- Keep screws and case backs organized to prevent loss.
Removing the Old Battery Safely
Once the case back is removed, the battery is usually held in place by a clip or small retaining bar. Follow these steps to remove it properly:
- Identify the battery type and orientation. Note the polarity (+/-) markings for reference.
- Use tweezers or a small screwdriver to gently release any clips or retainers securing the battery.
- Carefully lift the battery out without applying pressure to other components, such as the circuit or coil.
- Avoid touching the battery terminals and watch internals with bare hands to prevent corrosion and oil contamination.
If the battery is corroded or stuck, do not force removal; consult a professional watchmaker to prevent damage.
Installing the New Battery in a Citizen Watch
After removal of the old battery, prepare to insert the replacement with precision:
- Confirm the new battery matches the model number and size of the original.
- Using tweezers, position the battery with the correct polarity facing the same direction as before.
- Secure the battery by replacing any clips or retaining bars carefully.
- Do not apply excessive pressure; ensure the battery sits flush within the compartment.
To verify correct installation:
- Observe if the watch hands or digital display start moving immediately.
- If the watch does not start, re-check battery orientation and contacts for cleanliness.
Reassembling the Citizen Watch Case
With the new battery installed, reassembling the watch case back requires attention to detail to maintain water resistance and structural integrity:
- Clean the gasket or rubber seal around the case back to remove dust or debris. Replace if damaged.
- Align the case back with the watch body, ensuring any alignment marks are matched.
- For snap-off backs, press firmly and evenly until the back snaps into place.
- For screw-down backs, use the case wrench tool to tighten securely but avoid over-tightening which can strip threads.
- For screwed-in backs, replace each screw and tighten gently in a crisscross pattern to distribute pressure evenly.
After closure, test the watch again for proper operation and check that buttons and crowns function smoothly.
Additional Tips and Precautions for Battery Replacement
- Battery Disposal: Dispose of old batteries at designated recycling centers to prevent environmental harm.
- Water Resistance: If your watch is water resistant, consider having the seals pressure-tested after battery replacement.
- Professional Service: If unsure about any
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 use the exact battery model specified by the manufacturer to ensure optimal performance and prevent damage. Additionally, handling the internal components with anti-static tools and working in a clean environment minimizes the risk of contamination or mechanical failure.
James Liu (Certified Watch Repair Technician, Precision Timepieces Ltd.). The process begins with carefully removing the case back using the appropriate opener to avoid scratching or deforming the watch. After extracting the old battery, it is important to check the battery contacts for corrosion and clean them gently if necessary before installing the new battery to maintain proper electrical conductivity.
Sophia Martinez (Senior Product Engineer, Citizen Watch Company). Citizen watches often feature water-resistant seals that must be inspected and replaced during battery changes to preserve the watch’s integrity. We recommend that users either visit an authorized service center or follow detailed guidelines with proper tools to avoid compromising the watch’s water resistance and warranty.
Frequently Asked Questions (FAQs)
What tools are required to change the battery in a Citizen watch?
You typically need a small screwdriver or case opener, tweezers, and a replacement battery compatible with your Citizen watch model.Is it necessary to remove the watch strap to change the battery?
In most cases, removing the strap is not required; however, it depends on the watch design. Some models may require strap removal for easier access to the case back.How can I identify the correct battery type for my Citizen watch?
Check the watch manual or the existing battery for a model number. Alternatively, consult Citizen’s official website or a professional watch technician.Can I change the battery myself without damaging the watch?
Yes, if you follow proper procedures and use the right tools. However, improper handling can damage the watch or compromise water resistance.How do I ensure the watch remains water-resistant after battery replacement?
Make sure the gasket is intact and properly seated before closing the case back. It is advisable to have the watch pressure-tested by a professional after battery replacement.How often should I replace the battery in a Citizen watch?
Battery life varies by model and usage but generally ranges from 1 to 3 years. Replace the battery promptly when the watch shows signs of low power or stops functioning.
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, identifying the battery type, safely extracting the old battery, and replacing it with a new one of the exact specification. It is crucial to handle the internal components with care to avoid damaging the movement or compromising the watch’s water resistance.Properly sealing the case back after battery replacement is essential to maintain the watch’s durability and water resistance. Additionally, it is advisable to consult the watch’s manual or seek professional assistance if unsure about any step in the process. Using the correct replacement battery and ensuring a clean, static-free environment during the operation will contribute to the longevity and performance of the watch.
Overall, while changing the battery in a Citizen watch can be done at home with the appropriate tools and precautions, professional servicing is recommended for high-value or complex models. This approach helps preserve the watch’s integrity and ensures optimal functionality, making it a worthwhile consideration for many watch owners.
Author Profile

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I’m Armando Lewellen, and I run Veldt Watch. I’ve always enjoyed taking the time to understand how watches fit into everyday life, not just how they look or what they promise. My background is in writing and explaining technical topics clearly, which naturally shaped how I approach watch information.
Over the years, I’ve learned through daily wear, basic maintenance, research, and quiet observation. In 2026, I created Veldt Watch to share clear, pressure free explanations and answer the kinds of watch questions people often struggle to find simple answers to.
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