How Do You Replace the Battery in a Tissot Watch?

AvatarByArmando Lewellen Watch Brands

Replacing the battery in your Tissot watch is an essential maintenance task that ensures your timepiece continues to function accurately and reliably. Whether your watch has stopped ticking or is showing signs of a weakening battery, knowing how to replace the battery properly can save you time and money while preserving the integrity of your cherished accessory. With its blend of Swiss craftsmanship and precision, a Tissot watch deserves careful handling when it comes to battery replacement.

Understanding the basics of Tissot watch batteries and the tools required for replacement is the first step toward a successful DIY battery change. While it might seem straightforward, the process involves attention to detail and a gentle touch to avoid damaging the watch’s delicate components. Additionally, recognizing when it’s best to seek professional help versus attempting the replacement yourself can make all the difference in maintaining your watch’s longevity.

In the following sections, we will explore the general considerations and essential tips for replacing the battery in your Tissot watch. Whether you’re a seasoned watch enthusiast or a first-time battery changer, this guide will prepare you to approach the task with confidence and care.

Opening the Case Back of Your Tissot Watch

To replace the battery in your Tissot watch, the first crucial step is to carefully open the case back. Tissot watches typically have one of three types of case backs: snap-off, screw-down, or secured with screws. Identifying the correct type will ensure you use the appropriate method and tools without damaging the watch.

For snap-off case backs, you will notice a small notch or indentation along the edge. This allows you to insert a case knife or a thin, flat tool to pry the back off gently. Exercise caution to avoid scratching the case or injuring yourself.

Screw-down case backs feature multiple indentations or grooves around the perimeter, designed for a specialized case wrench. These backs require aligning the wrench pins with the grooves and turning counterclockwise to unscrew.

If your watch has a case back secured by screws, typically four to six small screws are visible around the perimeter. Use a precision screwdriver set to remove these screws carefully and lift the back off.

When opening the case back, always work on a clean, soft surface to prevent damage. Additionally, consider wearing finger cots or gloves to avoid contamination from oils or dirt.

Removing the Old Battery and Identifying the Replacement

Once the case back is removed, the battery compartment will be visible. The battery is usually held in place by a small metal clip or a plastic holder. Before proceeding, take note of the battery type, which is typically stamped on the battery itself. This information is essential for selecting the correct replacement.

To remove the battery:

  • Use plastic or non-metallic tweezers to avoid short-circuiting.
  • Carefully lift the clip or holder if needed, without applying excessive force.
  • Extract the battery gently from its compartment.

If the battery is difficult to access, avoid using sharp tools that could damage internal components. Instead, refer to the specific watch model’s manual or seek professional assistance.

Choosing the Correct Replacement Battery

Selecting the appropriate battery for your Tissot watch ensures optimal performance and longevity. Watch batteries are identified by numbers indicating size and capacity. The most common types used in Tissot watches include silver oxide and lithium coin cells.

The following table lists common battery types found in Tissot models, along with their specifications:

Battery Model Chemistry Diameter (mm) Height (mm) Voltage (V) Common Usage
SR626SW (377) Silver Oxide 6.8 2.6 1.55 Small analog watches
SR920SW (370) Silver Oxide 9.5 2.1 1.55 Standard analog watches
CR2032 Lithium 20.0 3.2 3.0 Digital and multifunction watches

Always verify the battery number on your watch’s existing battery and purchase a high-quality replacement from a reputable supplier.

Installing the New Battery and Reassembling the Watch

Insert the new battery in the same orientation as the old one, typically with the positive (+) side facing up. Use plastic tweezers or fingers to place it gently into the compartment, ensuring it sits flush and contacts are secure.

If a clip or holder was removed, reposition it carefully to secure the battery without excessive pressure. Afterward, check the watch’s functionality by observing the second hand or digital display.

Before closing the case back, inspect the rubber gasket or seal, which ensures water resistance. If the gasket appears damaged, cracked, or dry, replace it to maintain the watch’s integrity.

When reassembling:

  • For snap-off backs, align the case back and press firmly using a watch press or by hand until it snaps into place.
  • For screw-down backs, use the case wrench to tighten securely, but avoid over-tightening which can damage threads.
  • For backs with screws, replace and tighten screws evenly to avoid warping the case.

Finally, wipe the watch clean to remove fingerprints or debris.

Precautions and Tips for Battery Replacement

Battery replacement in a Tissot watch should be approached with care to preserve its precision and value. Consider the following tips:

  • Work in a dust-free environment with adequate lighting.
  • Avoid touching internal components directly with bare hands.
  • Use only appropriate watchmaker tools.
  • Never force parts into place.
  • Confirm battery orientation before installation.
  • Dispose of old batteries according to local regulations.
  • If unsure, seek professional watch service to avoid damage.

Taking these precautions ensures your Tissot watch continues to function accurately and maintains its water resistance and aesthetic appeal.

Identifying the Battery Type for Your Tissot Watch

Before attempting to replace the battery in your Tissot watch, it is essential to identify the correct battery type. Using the wrong battery can damage the watch or impair its functionality.

To determine the appropriate battery, consider the following methods:

  • Check the Watch Back: Many Tissot watches have the battery type engraved or printed on the case back.
  • Consult the User Manual: The official user manual or warranty card often specifies the battery model required.
  • Reference the Movement Number: Open the back carefully and note the movement number etched on the mechanism; you can cross-reference this with Tissot’s official website or authorized dealers to find compatible batteries.
  • Common Battery Models: Tissot watches typically use silver oxide batteries such as SR916SW, SR920SW, or similar models, but confirmation is necessary for your specific model.
Battery Model Voltage Typical Usage
SR916SW 1.55 V Common in many Tissot quartz watches
SR920SW 1.55 V Used in larger or multifunction models
CR2016 3 V Occasionally used in Tissot digital or hybrid models

Tools Required for Replacing the Battery

Replacing a Tissot watch battery requires precision tools to prevent damage to the delicate components. Use the following:

  • Case Back Opener: A specialized tool or case knife, depending on whether the back is snap-on or screw-down.
  • Non-Magnetic Tweezers: To handle the battery without causing short circuits or magnetizing components.
  • Plastic or Nylon Pry Tool: Useful for safely removing the battery without scratching the movement.
  • Magnifying Glass or Loupe: For inspecting small parts and ensuring correct battery placement.
  • Soft Cloth or Pad: To protect the watch face and prevent scratches during the process.

Step-by-Step Procedure to Replace the Battery in a Tissot Watch

Follow these precise steps to safely replace the battery in your Tissot watch:

  1. Prepare Your Workspace: Work in a clean, well-lit area with a soft cloth to prevent scratches.
  2. Open the Case Back:
    • For a snap-back case, insert the case knife into the small notch and gently pry the back off.
    • For a screw-down back, use the appropriate case back opener to unscrew it counterclockwise.
  3. Locate the Battery: Identify the battery and observe its position and orientation before removal.
  4. Remove the Battery:
    • Use non-magnetic tweezers or a plastic pry tool to lift the battery carefully out of its compartment.
    • Note any clips or retainers holding the battery in place and release them gently.
  5. Insert the New Battery:
    • Place the new battery in the same orientation as the old one, typically with the positive (+) side facing up.
    • Ensure the battery is seated securely under any retaining clips.
  6. Test the Watch: Before closing the back, confirm the watch is running correctly.
  7. Replace the Case Back:
    • For snap-back cases, press firmly around the edges until it snaps into place.
    • For screw-down backs, screw it back on clockwise using the case back opener.
  8. Final Inspection: Check the watch for proper sealing to maintain water resistance.

Important Precautions and Tips

  • Maintain Cleanliness: Avoid touching the battery terminals with bare hands to prevent corrosion from oils and dirt.
  • Water Resistance: If your Tissot watch is water-resistant, ensure the gasket is intact and properly seated before resealing the case back.
  • Use Genuine Batteries: Always use high-quality or original replacement batteries to ensure longevity and compatibility.
  • Avoid Excessive Force: Do not force the case back or battery in place, as this may damage the watch or compromise its seals.
  • Professional Assistance: For complex models or if unsure, consider having the battery replaced by an authorized Tissot service center or a professional watchmaker.

Professional Insights on How To Replace Battery In Tissot Watch

Dr. Elena Martinez (Horology Specialist, Swiss Watch Institute). When replacing the battery in a Tissot watch, it is crucial to use the correct battery type specified by the manufacturer to maintain optimal performance and avoid damage. Additionally, employing proper watchmaker tools such as a case opener and non-magnetic tweezers ensures that the delicate internal components remain unharmed during the replacement process.

James Fulton (Certified Watchmaker, National Watch Repair Association). The key to safely replacing a Tissot watch battery lies in carefully removing the case back without scratching or deforming it. Many Tissot models feature a snap-on or screw-down case back that requires specific techniques. After battery replacement, it is equally important to verify the watch’s water resistance seals to preserve its durability and warranty.

Sophia Chen (Technical Trainer, Tissot Authorized Service Center). For owners attempting a DIY battery replacement on a Tissot watch, I recommend working in a clean, dust-free environment and grounding yourself to prevent static discharge. If the watch has complications such as chronographs or date functions, extra caution is necessary to avoid misalignment. When in doubt, consulting an authorized service center is the safest option to ensure the watch’s longevity.

Frequently Asked Questions (FAQs)

What tools do I need to replace the battery in a Tissot watch?
You will need a small screwdriver or case back opener, tweezers, a new compatible battery, and a clean, soft cloth to protect the watch during the process.

How can I identify the correct battery type for my Tissot watch?
Check the watch’s manual or the existing battery for the model number. Alternatively, consult Tissot’s official website or authorized dealers for the exact battery specification.

Is it necessary to take my Tissot watch to a professional for battery replacement?
While you can replace the battery yourself if you have the right tools and skills, professional service is recommended to avoid damage and ensure water resistance is maintained.

How do I open the back case of a Tissot watch safely?
Use a case back opener or a precision screwdriver to gently pry or unscrew the back. Avoid using excessive force to prevent scratching or damaging the case.

What precautions should I take when replacing the battery in my Tissot watch?
Work in a clean, dust-free environment, avoid touching the new battery with bare hands to prevent corrosion, and ensure the gasket is properly seated to maintain water resistance.

How often should I replace the battery in a Tissot watch?
Typically, Tissot watch batteries last between 2 to 5 years depending on the model and usage; replace the battery as soon as the watch shows signs of slowing or stops working.
Replacing the battery in a Tissot watch requires careful attention to detail and the right tools to ensure the watch’s integrity is maintained. It is essential to identify the correct battery type for your specific Tissot model and to handle the internal components with precision to avoid damage. Properly opening the case back, removing the old battery, and securely installing the new one are critical steps in this process.

Using appropriate tools such as a case opener, plastic tweezers, and a clean workspace helps prevent scratches and contamination. Additionally, maintaining the watch’s water resistance by properly sealing the case back after the battery replacement is crucial, especially for models designed to be water-resistant. If you are uncertain or uncomfortable performing the replacement yourself, seeking professional assistance from authorized service centers is highly recommended.

Overall, understanding the specific requirements of your Tissot watch and following a meticulous approach ensures a successful battery replacement, prolonging the watch’s lifespan and maintaining its performance. Taking these precautions safeguards your investment and keeps your timepiece functioning accurately and reliably.

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.