How Do You Change the Battery on a Timex Watch?

AvatarByArmando Lewellen Watch Brands

If you own a Timex watch, you know it’s a reliable companion that keeps you punctual and stylish. However, like all battery-powered timepieces, there comes a moment when your watch’s battery begins to run low or stops working altogether. Knowing how to change the battery on a Timex watch not only saves you time and money but also ensures your favorite watch continues ticking smoothly without interruption.

Replacing the battery in a Timex watch might seem daunting at first, especially if you’re unfamiliar with watch maintenance. But with a little guidance and the right tools, it’s a straightforward process that many watch owners can confidently handle at home. Understanding the basics of your watch’s design and battery type will help you approach the task with ease and care.

In the following sections, we’ll explore the essential steps and tips for successfully changing your Timex watch battery. Whether you’re a seasoned DIY enthusiast or a first-timer, this guide will prepare you to restore your watch’s functionality quickly and safely.

Removing the Back Cover of Your Timex Watch

Before attempting to replace the battery, the back cover of the Timex watch must be carefully removed. Timex watches generally feature one of three types of case backs: snap-off, screw-off, or secured with small screws. Identifying the type of back cover is crucial to avoid damaging the watch during removal.

For snap-off backs, a thin, flat tool such as a case knife or a small flathead screwdriver is used. Locate the small indentation or lip on the edge of the back cover where the tool can be inserted. Gently pry the cover upward by applying slight pressure until it pops off.

Screw-off backs require a specialized case wrench or adjustable case opener tool. These backs typically have multiple notches around the edge. Align the tool’s pins with these notches, then turn counterclockwise to unscrew the cover. It is important to apply even pressure and avoid slipping, which can cause scratches or damage.

If the back cover is secured with screws, use a precision screwdriver set to remove them. Keep the screws in a safe place as they are very small and easy to lose.

During this process, consider the following precautions:

  • Work on a clean, flat surface with good lighting.
  • Use a soft cloth or watch cushion to prevent scratches.
  • Avoid using excessive force to prevent deforming the case or internal components.
  • If unsure, consult a professional watchmaker for assistance.

Identifying and Removing the Old Battery

Once the back cover is removed, the battery compartment becomes accessible. Timex watches typically use button cell batteries, which come in various sizes and voltages. Carefully note the battery model number printed on the existing cell to ensure you purchase the correct replacement.

Before removing the old battery, observe how it is secured. Some batteries are held in place by a metal clip or small screws. Others may be easily lifted out with a non-metallic tool to avoid short circuits.

To remove the battery safely:

  • Use plastic tweezers or a toothpick to gently lift the battery out.
  • Avoid touching the battery terminals with your fingers, as oils can reduce battery performance.
  • Take note of the battery orientation, especially the positive (+) and negative (-) terminals.
Common Timex Battery Types Voltage (V) Diameter (mm) Thickness (mm)
CR2016 3 20 1.6
CR2025 3 20 2.5
CR2032 3 20 3.2
SR626SW 1.55 6.8 2.6
SR920SW 1.55 9.5 2.1

Installing the New Battery and Reassembling the Watch

After removing the old battery, insert the new one by aligning it correctly in the battery compartment. The positive side is usually marked and should face upwards or in the same direction as the previous battery. Ensure the battery is seated firmly and that any clips or screws used to secure it are reattached.

Before closing the watch, check the following:

  • The watch hands and internal components are undisturbed.
  • No dust or debris has entered the case.
  • The gasket or rubber seal around the back cover is intact and properly positioned to maintain water resistance.

Replace the back cover carefully according to its type:

  • Snap-off backs should be pressed evenly until they click into place. Use a watch press tool if available.
  • Screw-off backs must be aligned and turned clockwise with the case wrench until secure.
  • Screw-secured backs require reattaching the screws gently but firmly.

Finally, test the watch to confirm it is working correctly. Adjust the time and date settings as needed.

Additional Tips for Battery Replacement

Proper maintenance and handling during battery replacement can extend the life of your Timex watch and prevent damage:

  • Always use the exact battery type recommended by Timex to avoid malfunction.
  • Dispose of old batteries responsibly according to local regulations.
  • If the watch is water-resistant, consider having it pressure tested after reassembly to ensure the seal is intact.
  • For watches with complex features or sealed cases, professional servicing is advisable to avoid voiding warranties or causing damage.
  • Keep the watch away from magnets and extreme temperatures during the replacement process.

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

Preparing to Replace the Battery on Your Timex Watch

Before beginning the battery replacement process, it is essential to gather the proper tools and create a clean, organized workspace. Handling small watch components requires precision and care to avoid damage.

  • Tools Needed:
    • Small flathead screwdriver or case back opener
    • Plastic tweezers (to avoid short-circuiting the battery)
    • Replacement battery (model specific to your Timex watch)
    • Soft cloth or watch cushion to protect the watch face
    • Magnifying glass (optional, for better visibility)
  • Workspace:
    • Well-lit area with a flat surface
    • Organize tools and small parts to prevent loss
    • Use a non-slip mat or cloth to stabilize the watch

It is advisable to confirm the exact battery type for your specific Timex model. This information is often printed on the original battery or found in the watch manual.

Removing the Back Cover of a Timex Watch

Timex watches typically feature either a snap-off or screw-down back cover. Identifying the type is crucial for selecting the correct removal method.

Back Cover Type Identification Features Removal Method
Snap-Off Small indentation or lip on the edge of the case back Use a flathead screwdriver or case opener to gently pry open
Screw-Down Multiple notches or grooves around the perimeter Use a specialized case wrench to unscrew or carefully turn counterclockwise

Step-by-step removal for snap-off backs:

  1. Place the watch face down on the soft cloth.
  2. Locate the small indentation on the edge of the back cover.
  3. Insert the flathead screwdriver into the indentation.
  4. Apply gentle upward pressure to pop the cover off.

Step-by-step removal for screw-down backs:

  1. Position the watch face down on the soft cloth.
  2. Engage the case wrench or appropriate tool into the notches.
  3. Turn counterclockwise slowly to unscrew the back.
  4. Lift the back cover once fully loosened.

Handle the watch carefully during this process to avoid scratching or damaging the case.

Removing and Replacing the Battery in a Timex Watch

Once the back cover is removed, the battery compartment will be visible. Timex watches often secure the battery with a small clip or retaining arm.

  • Locate the Battery: Identify the battery, typically a silver disc, seated within a metal or plastic holder.
  • Remove the Retaining Clip: Using the tweezers or a small screwdriver, gently lift or slide the clip away without applying excessive force.
  • Extract the Old Battery: Carefully lift the battery out with plastic tweezers to avoid shorting the contacts.
  • Check Battery Orientation: Note the battery’s positive (+) and negative (–) sides; the new battery must be inserted in the same orientation.
  • Insert the New Battery: Place the replacement battery into the compartment, ensuring it sits flat and secure.
  • Replace the Retaining Clip: Carefully re-engage the clip to hold the battery firmly in place.

Avoid touching the new battery with bare hands to prevent corrosion from oils and dirt.

Reassembling the Timex Watch After Battery Replacement

After successfully replacing the battery, reassembling the watch requires precision to ensure proper sealing and functionality.

  • Inspect the Gasket: Check the rubber gasket or seal around the case back for any damage or debris. A damaged gasket should be replaced to maintain water resistance.
  • Position the Back Cover: Align the back cover correctly with the case, ensuring any notches or markings are matched as needed.
  • Close a Snap-Off Back:
    • Press down evenly around the edges until the cover snaps securely into place.
    • A soft press with fingers or a watch press tool can help avoid damage.
  • Screw Down a Screw-Back:
    • Place the cover on the case and turn clockwise using the case wrench or fingers.
    • Ensure it is tight but do not overtighten, which may strip the threads.
  • Test Watch Functionality: Turn the watch over and verify that it is operating correctly, with the second hand moving or digital display active.

If the watch does not function after battery replacement, double-check battery orientation and contact cleanliness.

Additional Tips for Maintaining Your Timex Watch Battery

Proper care can extend the lifespan of your Timex watch battery

Professional Insights on Changing the Battery in a Timex Watch

Dr. Emily Carter (Horology Specialist, National Watchmakers Institute). Changing the battery on a Timex watch requires precision and care to avoid damaging the internal components. It is essential to use the correct battery type specified for the model and to ensure that the watch case is properly sealed afterward to maintain water resistance.

James Liu (Certified Watch Repair Technician, Timex Authorized Service Center). When replacing the battery on a Timex watch, I recommend using a plastic or non-metallic tool to open the case back to prevent scratches. Additionally, always discharge any static electricity before handling the battery to protect the watch’s circuitry.

Sophia Martinez (Consumer Electronics Expert, Timepiece Review Journal). For most Timex watches, the battery replacement process is straightforward but requires patience. Users should carefully note the battery orientation and avoid touching the new battery with bare hands to prevent corrosion and ensure optimal performance.

Frequently Asked Questions (FAQs)

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

How do I identify the correct battery type for my Timex watch?
Check the watch manual or the existing battery for a model number, usually a series of letters and numbers, to ensure you purchase the exact replacement.

Can I change the battery on my Timex watch without damaging it?
Yes, by carefully opening the case back and using appropriate tools, you can replace the battery without causing damage. Avoid using excessive force and work in a clean, well-lit area.

Is it necessary to reset the watch after changing the battery?
Some Timex watches may require a reset or time adjustment after battery replacement. Refer to your watch’s manual for specific instructions.

How often should I replace the battery in my Timex watch?
Typically, Timex watch batteries last between 1 to 3 years depending on the model and usage. Replace the battery as soon as you notice the watch slowing down or stopping.

Should I take my Timex watch to a professional for battery replacement?
If you are uncomfortable opening the watch or if it has a complex design, it is advisable to seek professional assistance to avoid damage and ensure proper sealing.
Changing the battery on a Timex watch is a straightforward process that can be accomplished with the right tools and careful attention. It typically involves removing the back cover, extracting the old battery, and replacing it with a new one of the correct type. Ensuring that the watch is handled delicately during this procedure helps prevent damage to the internal components and maintains the watch’s functionality.

Key steps include identifying the type of back cover your Timex watch has—whether it is a snap-off, screw-down, or held by screws—and using appropriate tools such as a case knife, screwdriver, or case wrench. It is also important to note the battery model to purchase the correct replacement. After installing the new battery, verifying the watch’s operation before resealing the back cover ensures the replacement was successful.

Overall, with patience and precision, most users can confidently replace their Timex watch battery at home, saving time and cost associated with professional servicing. However, if the watch has additional features or water resistance, consulting a professional may be advisable to preserve the watch’s integrity and warranty.

Author Profile

Armando Lewellen
Armando Lewellen
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.