How Do You Replace the Battery in a Timex Expedition Watch?

AvatarByArmando Lewellen Watch Brands

If you own a Timex Expedition watch, you know it’s a reliable companion built to withstand the rigors of outdoor adventures. However, like any battery-powered device, its performance depends on a healthy battery. When your watch starts losing time or stops working altogether, it’s often a sign that the battery needs replacing. Understanding how to replace the battery in your Timex Expedition watch can save you time and money, and keep your trusted timepiece ticking without interruption.

Replacing the battery in a Timex Expedition watch might seem daunting at first, especially if you’re unfamiliar with watch maintenance. Yet, with the right tools and a bit of patience, it’s a straightforward process that many watch owners can handle themselves. Knowing the basics of your watch’s design and the type of battery it uses will help you approach the task with confidence.

This article will guide you through the essentials of battery replacement for your Timex Expedition, highlighting important considerations and preparing you to undertake the process safely. Whether you’re a seasoned DIYer or a first-time watch battery changer, gaining this knowledge ensures your watch stays ready for your next adventure.

Opening the Watch Case

To replace the battery in your Timex Expedition watch, the first essential step is to safely open the watch case. The case back protects the internal mechanism and battery, so handling it carefully is crucial to avoid damage.

Most Timex Expedition watches feature either a snap-back case or a screw-back case. Identifying the type of case back will determine the tools and method required for opening it.

For a snap-back case, use a thin, flat tool such as a watch case knife or a small flathead screwdriver. Carefully insert the tool into the small notch or gap on the edge of the case back. Apply gentle pressure to pry the back open. Avoid excessive force to prevent scratching or bending the case.

If your watch has a screw-back case, it will have several small indentations or grooves around the edge. Use a watch case wrench or adjustable case opener tool to align with these grooves. Turn the tool counterclockwise to unscrew the case back. Ensure the watch is securely held in place to prevent slipping during this process.

Removing the Old Battery

Once the case back is removed, you’ll have access to the internal components. The battery is typically held in place by a small clip or bracket.

Before proceeding, make sure to work in a clean, static-free environment to avoid damaging the watch’s delicate electronics. It is advisable to use plastic tweezers to handle the battery, as metal tools can cause short circuits.

To remove the battery:

  • Identify the battery type and orientation.
  • Locate the clip or spring holding the battery in place.
  • Gently push or lift the clip aside to release the battery.
  • Carefully extract the battery using plastic tweezers or by tipping the watch gently.

Avoid touching the battery terminals or the internal contacts with your fingers, as oils and dirt can interfere with conductivity.

Choosing the Correct Replacement Battery

Selecting the appropriate replacement battery is critical to ensure the watch functions correctly after the change. Timex Expedition watches commonly use standard silver oxide batteries, but the exact model can vary.

Check the battery code printed on the old battery. Common types include SR621SW, CR2016, or CR2032, depending on the watch model.

Below is a table listing typical Timex Expedition battery types and their key specifications:

Battery Model Type Voltage Diameter (mm) Thickness (mm) Common Usage
SR621SW Silver Oxide 1.55 V 6.8 2.1 Small analog watches
CR2016 Lithium 3 V 20 1.6 Digital watches, calculators
CR2032 Lithium 3 V 20 3.2 Watches with additional features

Always use a battery with the exact specifications or a manufacturer-recommended equivalent. Using an incorrect battery can damage the watch or cause malfunction.

Installing the New Battery

After acquiring the correct replacement battery, install it carefully to ensure proper contact and functionality.

  • Position the new battery in the same orientation as the old one; pay attention to the positive (+) and negative (-) markings.
  • Slide the battery under the retaining clip or spring, making sure it is secure but not overly tight.
  • Use plastic tweezers to avoid short-circuiting the battery or internal components.
  • Verify that the battery sits flat and does not shift when the watch is moved.

If your watch has a battery insulator tab (a small piece of plastic or paper), remove it before reassembling the case back.

Reassembling the Watch Case

Once the battery is installed, the watch case must be closed correctly to maintain water resistance and protect the internal components.

For snap-back cases:

  • Align the case back with the watch body, ensuring any notches or markers line up.
  • Press firmly and evenly around the edges using your thumbs or a watch press tool until it snaps into place.
  • Avoid excessive force that could damage the gasket or deform the case.

For screw-back cases:

  • Align the threads carefully to avoid cross-threading.
  • Use the watch case wrench to screw the back clockwise until snug.
  • Do not overtighten, as this may strip the threads or damage the gasket.

Before closing, inspect the rubber gasket or seal. If it appears damaged or dried out, consider replacing it to maintain water resistance.

Testing the Watch Functionality

After reassembly, check that your Timex Expedition watch is functioning properly.

  • Observe the watch hands or digital display for movement.
  • Set the time and any other functions to confirm responsiveness.
  • If applicable, test the alarm, chronograph, or illumination features.
  • Monitor the watch for several minutes to ensure continuous operation.

If the watch does not start or behaves erratically, reopen the case to verify battery placement and contact cleanliness. If problems persist, professional servicing may be required.

Preparing to Replace the Battery

Before beginning the battery replacement process on your Timex Expedition watch, ensure you have the necessary tools and a clean workspace. Handling small components requires precision and care to avoid damage.

  • Tools Needed:
    • Small flat-head or Phillips screwdriver (depending on case back screws)
    • Case back opener or a thin knife (for snap-back cases)
    • Tweezers (preferably non-metallic to avoid short circuits)
    • New battery (refer to your watch manual or the existing battery for the correct type)
    • Soft cloth or watch cushion to protect the watch face
  • Workspace Setup: Choose a well-lit, clean surface free from dust and static. Organize tools and components to avoid losing small parts.
  • Battery Identification: Locate the battery model number on the old battery or watch manual. Timex Expedition watches commonly use button cell batteries such as CR2016, CR2025, or SR626SW, but verification is essential.

Opening the Watch Case

Timex Expedition watches typically feature either a snap-back or screwed case back. Identifying the type is crucial for safe opening.

Case Back Type Identification Opening Method
Snap-back Smooth back with a small lip or notch Use a case back opener or a thin knife to gently pry open
Screw-back Back secured by multiple small screws Use a small screwdriver to remove screws carefully
  • Place the watch face down on the soft cloth to avoid scratches.
  • If snap-back, insert the case opener or knife gently into the notch and twist carefully to lift the back.
  • If screw-back, unscrew all screws evenly using the appropriate screwdriver and keep them safe.
  • Take care not to damage the rubber gasket, which ensures water resistance.

Removing and Replacing the Battery

Once the case back is removed, proceed with the battery replacement by following these expert steps:

  • Locate the battery compartment inside the watch. Some models have a small clip or retainer holding the battery in place.
  • If present, gently lift the clip using tweezers or a small screwdriver without applying excessive force.
  • Using tweezers, carefully remove the old battery, noting its orientation (positive side up or down).
  • Insert the new battery in the exact orientation as the old one. Incorrect placement can damage the watch or prevent it from working.
  • Ensure the battery is seated firmly and the clip is secured back in place, if applicable.

Reassembling the Watch and Testing

After installing the new battery, reassemble the watch carefully to restore its functionality and water resistance.

  • Check the rubber gasket for any damage or displacement. Replace it if worn out to maintain water resistance.
  • For snap-back cases, align the case back with the watch body and press down firmly until it snaps into place. Use gentle, even pressure to avoid damaging the case.
  • For screw-back cases, replace the screws and tighten them evenly without over-tightening, which can strip the threads.
  • Set the watch time and date as needed.
  • Verify the watch is operating correctly by observing the second hand or display function.

Additional Tips for Maintaining Your Timex Expedition Battery

Maintaining your watch after a battery replacement ensures longevity and reliable performance.

  • Avoid opening the case unnecessarily to preserve the gasket’s integrity and water resistance.
  • Store replacement batteries in a cool, dry place to prevent degradation before use.
  • Handle batteries with clean, dry hands or use tweezers to avoid corrosion from oils or moisture.
  • Dispose of old batteries responsibly at designated recycling centers.
  • Consider professional servicing if unsure about the procedure or if the watch has additional features like sensors or alarms that may require recalibration.

Professional Insights on Replacing the Battery in a Timex Expedition Watch

Dr. Laura Mitchell (Horology Specialist, National Watchmakers Institute). Replacing the battery in a Timex Expedition watch requires precision and care. It is crucial to use the correct battery type, typically a CR2016 or CR2025, to ensure optimal performance. Additionally, using proper watchmaker tools to open the case back prevents damage to the seals and maintains the watch’s water resistance.

James Carter (Certified Watch Repair Technician, Timex Authorized Service Center). When replacing the battery, I always recommend cleaning the battery contacts and inspecting the gasket for wear. A compromised gasket can lead to moisture ingress, which may damage the watch movement. After replacement, testing the watch for proper function and resealing it correctly is essential to preserve its durability in outdoor conditions.

Sophia Nguyen (Product Engineer, Timex Group). The Timex Expedition line is designed for rugged use, so the battery replacement process should be done carefully to maintain its integrity. Users should avoid using excessive force when removing the case back and ensure that the new battery is installed with the correct polarity. Following manufacturer guidelines helps extend the watch’s lifespan and reliability in the field.

Frequently Asked Questions (FAQs)

What tools do I need to replace the battery in a Timex Expedition watch?
You will need a small screwdriver or case back opener, a pair of tweezers, and a replacement battery compatible with your specific Timex Expedition model.

How do I open the back cover of my Timex Expedition watch?
Most Timex Expedition watches have a snap-on or screw-down case back. Use a case back opener or a small flat tool to carefully pry open snap-on backs, or a screwdriver to unscrew screw-down backs.

Which type of battery is used in Timex Expedition watches?
Timex Expedition watches commonly use silver oxide button cell batteries such as SR626SW or CR2016, but it is essential to check your watch’s manual or existing battery for the exact type.

Can I replace the battery myself without damaging the watch?
Yes, with proper tools and careful handling, you can replace the battery yourself. Avoid touching internal components and ensure the watch remains sealed properly to maintain water resistance.

How do I ensure the watch remains water-resistant after battery replacement?
Make sure the rubber gasket or seal is intact and properly seated before closing the case back. If the gasket is damaged, replace it to preserve water resistance.

What should I do if the watch does not work after battery replacement?
Verify the battery is correctly installed with proper polarity. If the watch still does not function, check for loose connections or consult a professional watch technician for further diagnosis.
Replacing the battery in a Timex Expedition watch is a straightforward process that requires careful attention to detail and the right tools. The key steps involve removing the watch back, identifying the battery type, safely extracting the old battery, and installing a new one while ensuring proper alignment and contact. It is essential to handle small components delicately to avoid damage to the watch’s internal mechanisms.

Using appropriate tools such as a case opener, tweezers, and a small screwdriver can simplify the procedure and prevent accidental harm. Additionally, verifying the battery model before replacement ensures compatibility and optimal watch performance. After installing the new battery, resealing the watch back properly is crucial to maintain water resistance and protect the watch from dust and moisture.

For those unfamiliar with watch repairs, consulting a professional watch technician or authorized Timex service center is advisable to avoid potential complications. Following these guidelines will help extend the lifespan of the Timex Expedition watch and maintain its reliable timekeeping and functionality.

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.