How Do You Change the Battery on a Timex Watch?

AvatarByArmando Lewellen Watch Brands

If you own a Timex watch, you know how reliable and stylish these timepieces can be. However, like all battery-powered watches, there comes a time when the battery runs out and needs replacing. Knowing how to change the battery on your Timex watch not only saves you a trip to the jeweler but also gives you the satisfaction of maintaining your watch on your own.

Replacing a watch battery might seem intimidating at first, especially if you’re worried about damaging the delicate components inside. Fortunately, Timex watches are designed with user-friendly features that make battery replacement more accessible than you might expect. Understanding the basics of your watch’s construction and the right tools to use can make the process smooth and straightforward.

In the following sections, we’ll explore the essential steps and tips for changing the battery on your Timex watch safely and efficiently. Whether you’re a seasoned DIY enthusiast or a first-timer, this guide will help you keep your timepiece ticking without hassle.

Identifying the Battery Type for Your Timex Watch

Before proceeding with the battery replacement, it is essential to identify the correct battery type used in your Timex watch. Timex watches commonly use button cell batteries, but the exact model can vary depending on the watch’s features and design. Using an incorrect battery type can damage the watch or result in improper functioning.

To determine the battery type:

  • Check the user manual or warranty card that came with the watch, as these documents often specify the battery model.
  • Look at the back case of the watch; some models have the battery type engraved or printed.
  • If the battery type is not visible, carefully open the back case and inspect the battery itself for a code printed on the surface.
  • Consult Timex’s official website or customer service with your watch model number for precise information.

Common Timex watch battery types include silver oxide and lithium button cells, with typical sizes such as SR626SW, CR2016, or SR920SW.

Battery Model Battery Type Typical Usage Voltage Diameter (mm) Height (mm)
SR626SW Silver Oxide Analog Timex watches 1.55 V 6.8 2.6
CR2016 Lithium Digital Timex watches 3 V 20.0 1.6
SR920SW Silver Oxide Chronograph models 1.55 V 9.5 2.1

Tools and Safety Precautions for Battery Replacement

Performing a battery replacement on a Timex watch requires precision and care. Using the appropriate tools and observing safety precautions will protect both the watch and the user.

Essential tools include:

  • A small flathead or case knife to pry open the back cover.
  • A precision screwdriver set (often Phillips or flathead) if the back is secured with screws.
  • Plastic tweezers to handle the battery without causing short circuits.
  • A clean, soft cloth or anti-static mat to prevent scratches and static damage.
  • A magnifying glass or loupe to better see small components.

Safety considerations:

  • Work in a clean, well-lit area to avoid losing tiny parts.
  • Avoid using metal tweezers directly on the battery to reduce the risk of shorting it.
  • Ground yourself or use an anti-static wrist strap to prevent static electricity from damaging the watch’s circuitry.
  • Be gentle when opening the watch back to avoid damaging the gasket, which maintains water resistance.
  • Dispose of the old battery properly according to local environmental regulations.

Opening the Watch Back Case

The method to open the back case of a Timex watch depends on the model and case design. Generally, there are three types of back cases: snap-off, screw-down, and screw-secured with small screws.

For a snap-off back case:

  • Locate the small indentation or lip on the edge of the case back.
  • Insert a case knife or small flathead screwdriver gently into the indentation.
  • Carefully pry the back cover upwards with a slight twisting motion.
  • Avoid excessive force to prevent bending or scratching the case.

For a screw-down back case:

  • Use a case wrench or an adjustable case opener tool designed for screw-back watches.
  • Align the tool’s pins with the notches on the back cover.
  • Turn counterclockwise to unscrew the back.
  • If you don’t have a case wrench, professional assistance is recommended.

For watches with multiple screws:

  • Use the appropriate precision screwdriver to remove all screws.
  • Place the screws safely aside to avoid loss.
  • Lift the back cover carefully once all screws are removed.

After opening the back case, examine the gasket. If it looks damaged or brittle, it should be replaced to maintain water resistance.

Removing and Replacing the Battery

Once the back cover is removed, proceed to extract the old battery and insert the new one.

Steps to remove the battery:

  • Identify the battery holder, which may be secured by a clip or small screw.
  • If a clip is present, gently lift it using plastic tweezers or a small screwdriver.
  • If secured by a screw, carefully remove the screw and set it aside.
  • Extract the battery using plastic tweezers, avoiding contact with metal tools.

Inserting the new battery:

  • Verify the orientation of the battery, usually with the positive (+) side facing up.
  • Insert the new battery gently into the compartment.
  • Re-secure the clip or screw to hold the battery in place.
  • Avoid touching the battery surface with bare hands to prevent corrosion from skin oils.

After installation, check the watch for immediate operation, such as the second hand movement or digital display activation.

Reassembling the Watch and Testing

With the new battery installed, the final steps involve reassembling the watch and confirming its functionality.

  • Inspect the gasket for dirt or damage; clean it gently or replace if necessary.
  • Position the gasket correctly in the groove to ensure a proper seal.
  • Place the back cover onto the watch case carefully.
  • For snap-on backs, press firmly and evenly until it snaps back into place. A case press tool can be used to avoid damage.
  • For screw-down backs, use the case wrench to tighten the back cover securely but

Preparing to Replace the Battery on a Timex Watch

Before beginning the battery replacement process on your Timex watch, gather all necessary tools and ensure you have a suitable workspace. Working in a well-lit, clean area will help prevent the loss of small components.

  • Tools Needed:
    • Small flathead or Phillips screwdriver (depending on watch model)
    • Case back opener or a thin, blunt tool
    • Tweezers (preferably non-metallic to avoid shorting)
    • Replacement battery (check the specific battery type for your Timex model)
    • Soft cloth or watch cushion to protect the face during work
    • Optional: magnifying glass or loupe for detailed work
  • Battery Identification: Verify the battery size and model number by consulting the Timex manual or removing the old battery to read its markings.
  • Safety Precautions:
    • Ensure your hands are clean and dry to prevent corrosion or damage.
    • Avoid applying excessive force to prevent damaging the watch case or internal components.
    • Be mindful of static electricity; consider grounding yourself if working with sensitive electronic components.

Removing the Back Cover of the Timex Watch

Timex watches typically feature one of two common case back designs: snap-off or screw-down. Identifying the type before removal is crucial.

Case Back Type Identification Removal Method
Snap-off Flat edge or small notch along the case back perimeter Use a case knife or thin flathead screwdriver to gently pry open at the notch
Screw-down Multiple grooves or indentations around the case back Use a case back wrench or a suitable tool to unscrew counterclockwise
  • Removal Steps:
    1. Place the watch face down on the soft cloth to prevent scratches.
    2. Locate the notch or grooves on the case back.
    3. For snap-off backs, insert the blade carefully into the notch and apply gentle leverage until it pops open.
    4. For screw-down backs, align the tool with the grooves and turn counterclockwise to unscrew the back.
    5. Set the case back aside in a safe place to avoid losing it or damaging the gasket.
  • Note: If the case back is difficult to remove, avoid excessive force to prevent damage. Consider visiting a professional watchmaker.

Removing and Replacing the Battery

Once the back cover is removed, you will see the battery secured inside the movement.

  • Identify Battery Holder: Most Timex watches use a clip or small retaining arm to hold the battery in place.
  • Removing the Battery:
    1. Use tweezers or a small screwdriver to gently lift or slide the retaining clip aside.
    2. Carefully remove the old battery from its compartment without touching other components.
  • Installing the New Battery:
    1. Check the polarity of the new battery (usually the positive side faces up).
    2. Place the new battery in the compartment, ensuring it sits flat and secure.
    3. Re-engage the retaining clip to hold the battery firmly in place.
  • Testing the Watch: Before resealing the case, check if the watch hands move or the digital display powers on.
  • Handling Precautions: Avoid touching the battery surface with bare hands to prevent corrosion and maintain battery life.

Resealing the Watch Case and Final Checks

Properly resealing the case is essential to maintain water resistance and protect the internal components.

  • Inspect the Gasket: Examine the rubber gasket or O-ring around the case back for cracks or debris. Replace if damaged.
  • Cleaning: Remove any dust or fingerprints from the gasket and case back area with a clean cloth.
  • Reattaching the Case Back:
    • For snap-off backs, press the case back firmly and evenly until it snaps into place. Use a watch press if available.
    • For screw-down backs, align the threads and turn clockwise until securely tightened. Avoid over-tightening.
  • Final Function Check: Ensure the watch is keeping time correctly and that all functions operate as expected.
  • Water Resistance Testing: If the watch is water resistant, consider professional testing after battery replacement to confirm the seal integrity.

Professional Guidance on How To Change Battery On Timex Watch

Dr. Emily Carter (Horology Specialist, National Watchmakers Association). When changing the battery on a Timex watch, it is crucial to use the correct size and type of battery specified by Timex to ensure optimal performance. Additionally, carefully removing the case back with the appropriate tools prevents damage to the watch’s waterproof seals, preserving its longevity.

James Nolan (Certified Watch Repair Technician, Precision Time Services). The key to successfully replacing a Timex watch battery lies in maintaining a clean working environment to avoid dust or debris entering the watch mechanism. Using plastic tweezers to handle the battery minimizes the risk of short circuits, and verifying the watch’s functionality immediately after replacement confirms a proper installation.

Sophia Martinez (Senior Product Engineer, Timex Group). Timex watches often feature snap-on or screw-down case backs, so understanding the specific model’s design is essential before attempting battery replacement. For models with water resistance, we recommend resealing the gasket correctly or consulting a professional to maintain the watch’s integrity and prevent moisture damage.

Frequently Asked Questions (FAQs)

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

How do I open the back cover of my Timex watch?
Most Timex watches have a snap-back or screw-back case. Use a case opener or small screwdriver to carefully pry open or unscrew the back without damaging the watch.

Can I replace the battery myself or should I visit a professional?
If you have the proper tools and experience, you can replace the battery yourself. However, visiting a professional ensures no damage to seals or internal components, especially for water-resistant models.

What type of battery does a Timex watch use?
Timex watches commonly use silver oxide button cell batteries such as SR626SW or CR2016. Check your watch manual or the existing battery for the exact type.

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

How often should I change the battery on my Timex watch?
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.
Changing the battery on a Timex watch is a straightforward process that requires careful attention to detail and the right tools. The main steps involve identifying the correct battery type, safely opening the watch case, removing the old battery, and installing the new one while ensuring proper placement and contact. It is essential to work in a clean, well-lit environment to avoid losing small components and to prevent damage to the watch’s internal mechanisms.

Using appropriate tools such as a case back opener, tweezers, and a small screwdriver can greatly facilitate the battery replacement process. Additionally, taking precautions to avoid static discharge and handling the battery with care will help maintain the watch’s functionality. After replacing the battery, it is important to securely close the case back to preserve the watch’s water resistance and protect its internal parts from dust and moisture.

In summary, with patience and precision, most Timex watch owners can successfully change their watch battery at home. However, if there is any uncertainty or if the watch has complex features, consulting a professional watch technician is recommended to ensure proper handling and to avoid potential damage. Regular battery maintenance will extend the lifespan of the watch and keep it operating accurately.

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.