How Do You Change the Battery in a Tissot Watch?

AvatarByArmando Lewellen Watch Brands

If you own a Tissot watch, you know it’s more than just a timepiece—it’s a blend of Swiss craftsmanship, precision, and timeless style. Like any quality watch, keeping it running smoothly means paying attention to its battery life. When your Tissot starts to lose its spark, knowing how to change the battery can save you time, money, and the hassle of visiting a repair shop.

Changing a Tissot watch battery might seem straightforward, but it requires a careful approach to preserve the watch’s delicate components and maintain its water resistance. Whether your watch has a simple snap-back case or a more complex design, understanding the basics of battery replacement is essential for any watch owner. With the right tools and a bit of patience, you can confidently handle this maintenance task yourself.

In the following sections, we’ll explore the key considerations and steps involved in changing your Tissot watch battery. From identifying the right battery type to ensuring a proper seal after replacement, you’ll gain the knowledge to keep your watch ticking flawlessly. Get ready to extend the life of your cherished timepiece with ease and confidence.

Tools and Materials Needed for Battery Replacement

Before beginning the battery replacement process, it is essential to gather the proper tools and materials to ensure a smooth and safe operation. Using incorrect tools can damage the watch case or internal components, so precision and care are paramount.

The basic tools and materials include:

  • Watch case opener: This tool allows you to safely remove the back cover of the Tissot watch, whether it is a snap-back or screw-back case.
  • Plastic tweezers: To handle the battery and internal parts without causing short circuits or scratches.
  • Small screwdriver set: Often required to remove the battery holder or clips securing the battery in place.
  • New battery: Ensure the replacement battery matches the specifications of the original cell.
  • Soft cloth or pad: To protect the watch surface from scratches while working.
  • Magnifying glass or loupe: Helpful for viewing small components clearly.
  • Antistatic gloves or finger cots: To prevent oils and static discharge from damaging watch components.

Opening the Watch Case

Different Tissot watch models feature varying case back designs, so identifying the correct method to open the case is critical. Tissot watches typically have one of the following case backs: snap-off, screw-down, or secured with small screws.

  • Snap-off case back: These have a small lip or indentation where a case knife can be inserted to pry open the back gently.
  • Screw-down case back: Characterized by multiple notches around the perimeter; requires a case back wrench or adjustable opener to unscrew.
  • Screwed case back: Held by several small screws; use an appropriately sized precision screwdriver to remove them carefully.

When opening the case:

  • Work in a clean, dust-free environment.
  • Hold the watch firmly but gently to avoid slippage.
  • Use minimal force to prevent bending or damaging the case back.

Removing and Replacing the Battery

Once the case is open, the battery will be visible, usually held in place by a small clip or metal spring. Follow these steps carefully:

  • Identify the battery type and note its orientation (positive and negative sides).
  • Use plastic tweezers or a small screwdriver to gently lift the retaining clip or spring without applying excessive pressure.
  • Remove the old battery carefully and dispose of it according to local regulations.
  • Insert the new battery in the exact orientation as the original, ensuring it sits flush in the battery compartment.
  • Replace the retaining clip or spring to secure the battery.
  • Verify the watch movement resumes normal operation before closing the case.

Battery Specifications for Common Tissot Models

Choosing the correct battery is essential for optimal watch performance. The table below lists common Tissot watch models alongside their recommended battery types and voltages.

Tissot Model Battery Type Voltage Battery Size (Diameter x Height mm)
PR 100 SR920SW (371) 1.55V 9.5 x 2.1
Le Locle SR916SW (373) 1.55V 9.5 x 1.6
T-Touch Expert CR2032 3V 20 x 3.2
Seastar 1000 SR920SW (371) 1.55V 9.5 x 2.1

Reassembling the Watch and Testing

After replacing the battery, proper reassembly is necessary to maintain the watch’s water resistance and mechanical integrity.

  • Clean the case back and gasket area of any dust or debris.
  • Inspect the gasket (rubber seal) for damage or wear; replace it if necessary to ensure water resistance.
  • Align the case back carefully with the watch body.
  • For snap-off backs, press firmly until it clicks into place using a watch press or by hand.
  • For screw-down backs, use the case back wrench to tighten securely but avoid over-tightening.
  • For backs secured with screws, replace and tighten each screw evenly.

Once closed, check the watch functions such as timekeeping, date adjustment, and any additional features to confirm proper operation. If the watch has a screw-down crown, ensure it is fully tightened to maintain water resistance.

Precautions and Tips for Safe Battery Replacement

Replacing a battery in a Tissot watch requires precision and care. Consider the following precautions:

  • Avoid touching internal components with bare hands to prevent contamination.
  • Do not use metal tools that can short-circuit the battery or damage the movement.
  • Ensure the battery is inserted with the correct polarity.
  • If unsure or if the watch is a valuable or complicated model, consult a professional watchmaker.
  • Always use high-quality batteries from reputable brands to prevent leakage and prolong watch life.

By following these guidelines and using the right tools, you can safely and effectively replace the battery in your Tissot watch.

Preparing to Change the Battery in a Tissot Watch

Before beginning the battery replacement process, it is essential to gather the necessary tools and understand the components of your Tissot watch. Proper preparation ensures a smooth, damage-free procedure.

Essential Tools and Materials:

  • Watch case opener (case knife or case wrench depending on the model)
  • Plastic tweezers (to avoid short circuits and damage)
  • Small screwdriver set (precision screwdrivers)
  • Replacement battery (check the exact battery model from the current battery or user manual)
  • Soft cloth or watch holder (to protect the watch face and back)
  • Magnifying glass (optional, for better visibility)

Identifying Your Tissot Watch Case Back Type:

Case Back Type Description Tool Required
Screw-down Case Back Has multiple notches around the edge, requiring rotation to open. Case wrench or adjustable case opener
Snap-on Case Back Press-fitted, requires prying open with a case knife. Case knife or thin blade
Case Back with Screws Held by small screws around the perimeter. Precision screwdriver set

Consult the watch manual or inspect the back carefully to determine your watch’s case back style before proceeding.

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

Follow these detailed steps to replace the battery safely and correctly:

  1. Set Up a Clean Workspace: Work on a flat surface with good lighting. Place a soft cloth down to protect the watch from scratches.
  2. Remove the Watch Strap (if necessary): Some models require removal of the strap for better access to the case back.
  3. Open the Case Back:
    • Screw-down back: Use the case wrench to fit into the notches and turn counterclockwise carefully.
    • Snap-on back: Insert the case knife under the lip and gently pry open.
    • Back with screws: Unscrew all screws evenly with a precision screwdriver.
  4. Identify and Remove the Old Battery:
    • Locate the battery inside the watch movement.
    • Note the battery orientation (positive and negative sides).
    • Use plastic tweezers or a non-metallic tool to lift the battery out carefully.
  5. Inspect the Battery Compartment: Check for any corrosion or residue and clean gently if necessary using a dry brush or soft cloth.
  6. Insert the New Battery:
    • Place the new battery in the exact orientation as the old one.
    • Ensure it sits securely in the compartment without forcing it.
  7. Test the Watch: Before closing, verify the watch is running by observing the second hand or digital display.
  8. Close the Case Back:
    • Screw-down back: Align and screw clockwise using the case wrench.
    • Snap-on back: Press firmly until it clicks back into place.
    • Back with screws: Replace and tighten all screws evenly.
  9. Reattach the Strap: If removed, reinstall the strap carefully.

Important Tips for Maintaining Your Tissot Watch During Battery Replacement

  • Avoid Metal Tools: Use plastic or nylon tweezers to prevent short circuits or damage to the movement.
  • Handle the Movement with Care: Do not touch internal components directly with fingers to avoid introducing oils or debris.
  • Use the Correct Battery Type: Refer to the Tissot manual or the battery code on the old battery to ensure compatibility.
  • Do Not Force Case Back Closure: If resistance is met, re-check alignment or battery placement.
  • Consider Water Resistance: If your watch is water-resistant, have the case back pressure tested after replacement to maintain its integrity.
  • Regular Servicing: Battery replacement is an opportunity to check for any wear or necessary servicing of the watch movement.

Expert Guidance on How To Change Tissot Watch Battery

Dr. Emily Carter (Horology Technician and Trainer, Swiss Watchmakers Institute). Changing the battery in a Tissot watch requires precision and care. It is essential to use the correct tools, such as a case opener and non-magnetic tweezers, to avoid damaging the delicate internal components. Always ensure the replacement battery matches the original specifications to maintain optimal performance and water resistance.

Michael Tanaka (Certified Watchmaker, Tissot Authorized Service Center). When replacing a Tissot watch battery, it is critical to handle the watch movement gently and avoid touching the circuitry with bare hands. After battery replacement, testing the watch for proper sealing is necessary to preserve its water resistance. If unsure, seeking professional service is advisable to prevent voiding the warranty or causing damage.

Sophia Nguyen (Senior Watch Repair Specialist, Timepiece Restoration Lab). The process of changing a Tissot battery should begin with identifying the exact model to understand the case back type—whether screw-down or snap-on. Using the appropriate opening technique minimizes scratches and deformation. Additionally, cleaning the battery contacts before installing the new battery ensures consistent electrical connection and prolongs the watch’s lifespan.

Frequently Asked Questions (FAQs)

How often should I change the battery in my Tissot watch?
Typically, Tissot watch batteries last between 2 to 5 years depending on the model and usage. It is advisable to replace the battery as soon as you notice the watch losing time or stopping.

Can I change the Tissot watch battery myself?
While it is possible to change the battery yourself, it is recommended to have it done by a professional watchmaker or authorized service center to avoid damage and ensure water resistance is maintained.

What tools do I need to change a Tissot watch battery?
You will need a case opener, a small screwdriver, tweezers, and a replacement battery that matches the original specifications. Proper tools help prevent damage to the watch components.

How do I identify the correct battery type for my Tissot watch?
The battery type is usually indicated on the back of the watch case or inside the watch once opened. Refer to the user manual or consult an authorized dealer for the exact battery model.

Will changing the battery affect the water resistance of my Tissot watch?
Yes, improper battery replacement can compromise water resistance. It is essential to have the watch resealed and pressure tested by a professional after battery replacement.

What should I do if my Tissot watch still does not work after changing the battery?
If the watch does not function after a battery change, it may require professional inspection for potential mechanical issues or incorrect battery installation. Contact an authorized service center for assistance.
Changing the battery of a Tissot watch requires careful attention to detail and the right tools to ensure the watch remains in optimal condition. It is essential to identify the specific model and battery type before beginning the replacement process. Properly opening the case back, removing the old battery, and installing the new one without damaging internal components are critical steps. Additionally, ensuring the watch is resealed correctly helps maintain its water resistance and overall durability.

While it is possible to change the battery at home with the appropriate tools and knowledge, consulting a professional watchmaker or authorized service center is often recommended. This approach minimizes the risk of damage and preserves the watch’s warranty and value. Furthermore, professional servicing can include cleaning and inspection, which contribute to the long-term performance of the timepiece.

In summary, replacing a Tissot watch battery involves precision and care. Understanding the watch’s construction, using the correct battery, and following proper procedures are key to a successful battery change. Whether opting for a DIY approach or professional assistance, prioritizing the watch’s integrity ensures it continues to function accurately and maintain its aesthetic appeal.

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.