How to Replace Watch Battery


Check to see if the watch is screwed on or if the back snaps off before replacing the battery. Then, take it out with caution. “Replace Watch Battery”

Looking to replace the battery in your watch? Whether you’re a watch enthusiast or want to save some money, learning how to change a watch battery can be a handy skill. While some people prefer to take their watch to a professional, knowing how to replace a watch battery can save you time and money.

This guide will cover the steps and tools needed to change a watch battery at home successfully. Keep reading for simple and reliable tips on how to replace a watch battery with ease.

Types Of Watch Cases

When it comes to replacing a watch battery, it’s crucial to understand the various types of watch cases. The type of watch case determines how the watch is opened to access the battery. There are mainly two types of watch cases, namely screw-in watch cases and snap-in watch cases.

Screw-in Watch Cases

Screw-in watch cases, as the name suggests, have a threaded back that requires a unique tool called a case wrench to open. This type of case is often found in luxury and high-end watches and provides a more secure closure to protect the inner mechanism. It’s essential to use the appropriate tools and techniques to avoid damaging the case or compromising its waterproof function.

Snap-in Watch Cases

On the other hand, snap-in watch cases feature a back that can be quickly snapped open using a case knife or specialized tool. This type of case is commonly found in casual and fashion watches, making battery replacement relatively straightforward. However, care must be taken to avoid scratching the watch case when using tools to pry open the snap-in back.

Tools For Battery Replacement

When it comes to replacing a watch battery, having the right tools is essential for a successful and efficient battery replacement process. Here are the essential tools you will need to replace a watch battery:

Watch Press

A watch press is a specialized tool used to safely and securely press the crystal, bezel, and case back into place without causing damage to the watch. It is beneficial for watches with a snap-on case back.

Needlenose Pliers

Needlenose pliers provide a precise grip and are handy for extracting the battery from its compartment. They come in various sizes and shapes, allowing you to access hard-to-reach areas inside the watch.

Case Wrench

A case wrench is indispensable for watches with a screw-down case back. It enables you to safely remove the case without damaging the watch. The adjustable jaw design allows it to fit various watch case sizes.

Steps For Opening Different Types Of Watch Cases

Learn how to replace a watch battery with these step-by-step guidelines. Whether your watch case screws in or snaps in, you can do it yourself with the right tools. Skip the jewelry and save money by following these simple instructions.

Screw-in Watch Case

When dealing with a screw-in watch case, it’s essential to use a suitable case wrench to open it. The following steps outline the process:

  1. Identify the type of screw head on the watch case to choose the right-sized screwdriver.
  2. Securely grip the watch case in a designated holder to avoid slipping.
  3. Apply the appropriate amount of pressure and rotate the case wrench counter-clockwise to loosen the screw-in case.
  4. Once the case is open, carefully remove the old battery and proceed with replacing it.

Snap-in Watch Case

For a snap-in watch case, the process requires a different approach due to its unique design. Here are the key steps-

  • Locate the slight indentation or groove on the watch case; this is where a case knife or pry tool can be inserted.
  • Gently insert the case knife and cautiously pry the case open by applying even pressure around its perimeter.
  • Be attentive to the snapping sound as the case opens, ensuring a slow and steady release.
  • Once the case is opened, carefully handle the internal components and proceed with battery replacement.

Replacing The Watch Battery

Replacing the watch battery is a relatively simple task that can save you time and money. Instead of taking your watch to a jeweler, you can do it yourself with a few essential tools. In this guide, we will walk you through the step-by-step process of replacing your watch battery. Let’s get started!

Removing The Watch Back

To begin, turn your watch face down on a clean surface. This will ensure that the watch crystal doesn’t get scratched during the battery replacement process. Look for a small notch or groove on the side of the watch back. Using a case knife or a small flathead screwdriver, gently pry off the back of the watch. Be careful not to use excessive force, as this could damage the watch case.

Taking Out The Old Battery

Once you have removed the watch back, you will see the old battery inside. To take out the old battery-

  1. Locate the metal spring contact that is holding it in place.
  2. Unscrew or lift the spring contact using a pair of tweezers or a small screwdriver.
  3. Carefully remove the old battery from the watch, making sure to note the position of the positive (+) and negative (-) sides.

Inserting The New Battery

Now, it’s time to insert the new battery. Before doing so

  1. Double-check the number on the back of the old battery to ensure you are replacing it with the correct type.
  2. Using your tweezers or a clean cloth, handle the new battery to avoid leaving fingerprints or oils on the surface.
  3. Insert the new battery into the battery compartment, making sure to align the positive (+) and negative (-) sides correctly.

Putting The Watch Back Together

With the new battery in place, it’s time to put the watch back together. Gently press the spring contact back into position, making sure it securely holds the battery. Carefully align the watch back with the case and apply slight pressure until you hear or feel a snap, indicating that it is adequately secured.

And there you have it! You have successfully replaced the battery in your watch. Remember to test the watch to ensure it is working correctly before wearing it. If you encounter any difficulties or if the watch still does not function properly, it may be worth taking it to a professional for further inspection.

Tips And Considerations

Replacing the battery in your watch is a task that can be done at home, but there are some essential tips and considerations to keep in mind. Here, we will discuss the cost of watch battery replacement, changing a watch battery at home, using special tools, and watch battery replacement services.

Watch Battery Replacement Cost

Watch battery replacement costs can vary depending on the type of watch and where you get it replaced. Generally, the cost ranges between $5 and $30. High-end watches or watches with complex mechanisms may cost more to replace the battery. It is always a good idea to check with a local jeweler or watch repair shop to get an accurate estimate.

Changing A Watch Battery At Home

  • Before attempting to change the watch battery at home, ensure you have the necessary tools.
  • Identify the type of watch case – screw-in or snap-in.
  • If your watch case screws in, you will need a case wrench to open it. This tool helps provide the grip needed to unscrew the case back without causing damage.
  • For watches with a snap-in case, you can use a case knife or a particular case back removal tool to pry open the case bezel carefully.
  • Remember to clean your workspace correctly and turn the watch face down to avoid scratching the watch crystal during the battery replacement process.
  • Unscrew the spring contact over the battery, take out the old battery, and insert the new one, ensuring the polarity is correct.
  • After replacing the battery, make sure the case is securely closed to maintain the watch’s water resistance, if applicable.

Using Special Tools

Special tools can significantly facilitate the watch battery replacement process. A case wrench or case back removal tool is essential for watches with a screw-in case. These tools provide a firm grip and prevent damage to the case.

For snap-in cases, a case knife or case back removal tool is recommended. These tools help safely pry open the case bezel without scratching the watch.

Watch Battery Replacement Mistakes To Avoid

Replacing your watch batteries might be exciting, but it can also go horribly wrong in a matter of seconds.

Be sure to steer clear of these and other significant blunders.

Hitting The Watch’s Battery Button

The impulse to forcefully slam the open watch back against your palms in the hopes of removing the outdated battery may strike. Don’t commit that error.

The watch mechanism and motor are so sensitive that they could suddenly stop working on you if you don’t take adequate care of them. Avoid causing harm, and hold yourself accountable for initially opening the watch.

It shouldn’t take more than ten to fifteen minutes to replace a watch battery when done correctly, so there’s no need to rush the procedure.

Incorrectly Pressing Down On The Watch Casing

There, we talked about the various watch case back styles and how to remove them. However, it would help if you remembered to replace these cases correctly as well.

There are occasions when the screwed case has set teeth that line up differently with the watch case. Before applying any pressure, make sure the back case is correctly positioned. If you don’t, you run the danger of breaking not just this back casing but also some of the internals of the watch. If done correctly, it should fit snugly back into place.

Using Inadequate Equipment

We selected unusual tools for this list for a purpose. There’s no need to worry about breaking the watch because these are the kinds of instruments that you can find nearly anywhere. You can, however, occasionally still employ subpar tools.

For instance, attempting to pry the watch back open with a tiny screwdriver may cause the screws’ threads to become worn out. Due to the inability of the back to come off, such damages make future repairs to the watch all but impossible.

Not only that but after changing the watch batteries, you can find it difficult to reattach the screws.

Incorrect Battery Positioning

Verify how the batteries are inserted into the watch engine when you take the watch case back. Something helps you avoid incorrectly connecting something.

In the same way, no two timepieces in your collection will ever be identical. It is not always the case that what works for one watch, with its batteries facing down, also works for the other. Make sure the watches are positioned correctly before removing the old unit, even if the same company makes them.

Choosing The Incorrect Battery

The similarity of the two timepieces does not imply that the batteries are the same. For the watch engine, your watchmaker would utilize lithium-grade batteries, yet even identical-looking lithium batteries differ significantly from one another.

Before placing an order for new batteries, be careful to check the rating on the old device. If not, you may be giving your watch a battery that is either too powerful or too low capacity. It’s not good news either way.

Watch Battery Replacement Services

If you are unsure about changing the watch battery yourself or don’t have the necessary tools, there are professional watch battery replacement services available. Jewelry and watch repair shops often offer battery replacement services, ensuring the correct battery is used and the watch is sealed correctly afterward. While this may come at an additional cost, it guarantees a professional and reliable battery replacement.

In conclusion, replacing a watch battery requires careful consideration and attention to detail. Whether you decide to do it yourself or use professional services, make sure to follow the necessary steps and precautions to keep your watch running smoothly.

Where Can I Go To Replace The Batteries In My Watch?

There are numerous ways to get a replacement battery for your watch, depending on what kind it is, where you live, and your personal preferences.

Below is a list of some of the most effective strategies you can employ-

The Manufacturer

Verify whether the watch’s maker has a service center nearby if you live in the same area as them.

They can assist you in getting it done for free or at a much-reduced cost if your warranty still covers the modification. Sometimes, you can find this information online or in the paperwork that came with your watch.

Since they were the ones who initially manufactured the watch, the best part of the deal is that they are far more knowledgeable about it than you are. As a result, they have the right kind of instruments to change the batteries as quickly as possible.

Better yet, if the watchmaker makes a mistake with the service, they will replace it for free. What have you got to lose, then?

P.S. Look up a watchmaker’s return and repair policy online if one is not nearby. They may have one that lets you send the watch in to be fixed.

For low-end to mid-tier watches, this is not recommended, as you may have to pay up to half of the watch’s original cost for shipping, servicing, and repairs. But expensive timepieces have a valid reason for their price.

Certified Watchmakers

It still won’t be an issue if your watch brand isn’t nearby.

Look around to see if there are any authorized watch stores nearby. Bonus points are awarded if you locate a repairer who holds a license from the watch’s manufacturer. They could even provide you with watch battery replacement warranty services.


If you know what you’re doing, changing the battery in your wristwatch shouldn’t be too difficult.

Even though you require specialized tools like tweezers and a screwdriver, you can find close substitutes for them around the house.

All you need to do is order a new battery that is the same type and rating as the old one, make sure you know what you are doing (we will address that in a moment), and you should be set to go.

How To Replace Watch Battery At Home

Replacing a watch battery at home can be a straightforward process with the right tools and a steady hand. Start by identifying the type of watch case you have—whether it’s a screw-back, snap-back, or a watch with a bezel that pops off. Next, gather your supplies:

  • A case-opener tool.
  • A pair of tweezers.
  • A fresh battery is compatible with your watch model.
  • A soft cloth to protect the watch face.

Use the case opener tool to remove the back cover carefully, ensuring that it does not scratch or damage the watch in the process. Once inside, locate the battery and gently lift it out with the tweezers, taking note of its orientation.

Replace it with the new battery, making sure it sits snugly in its compartment. Finally, reattach the back cover securely and double-check that the watch is functioning correctly. With patience and attention to detail, you can successfully replace your watch battery at home, saving time and money compared to a jeweler or watch repair shop.

How To Change A Watch Battery With A Screw Back

Changing a watch battery with a screw-back requires precision and the right tools. Begin by locating the small screws around the perimeter of the watch case. Use a suitable screwdriver to carefully loosen and remove these screws, ensuring not to strip them in the process. Once the screws are removed, gently lift off the back cover of the watch, taking care not to disturb any internal components.

With the back cover removed, locate the battery and carefully lift it out using a pair of tweezers, noting its orientation. Replace the old battery with a fresh one of the same size and type, making sure it fits snugly into place. After replacing the battery, reattach the back cover by carefully aligning it with the watch case and securing the screws back in their original positions.

Please double-check that the watch is functioning correctly before wearing it again. Changing a watch battery with a screw-back requires patience and attention to detail, but with the right approach, it can be done effectively at home.

Watch Battery Replacement Online

Watch battery replacement online offers convenience and accessibility to those seeking to revive their timepieces without leaving the comfort of their homes. With numerous online retailers and watch repair services available, customers can easily browse through a variety of battery options suitable for their specific watch model. The process typically involves:

  • Selecting the desired battery.
  • Providing information about the watch.
  • Sending it in for professional replacement.

Some services even offer step-by-step guides or instructional videos for DIY enthusiasts. Additionally, online platforms often boast competitive pricing and fast turnaround times, making them a practical choice for those with busy schedules or limited access to traditional brick-and-mortar stores.

Whether it’s a simple battery swap or a comprehensive watch overhaul, the convenience of online watch battery replacement caters to the modern consumer’s needs, ensuring their timepieces remain functional and accurate for years to come.

FAQs For How To Replace Watch Battery

Can I replace my watch battery myself?

Yes, you can replace your watch battery yourself, but it may require special tools. Some watch cases screw in, while others snap-in. Opening a screw-in case can be challenging without a case wrench.

How Do You Take the Battery Back Off A Watch?

To remove the battery from a watch:

  1. Take a pair of needlenose pliers and carefully pop them out.
  2. Look closely at the back of the battery for a number.
  3. Make sure you have a properly cleaned workspace, and unscrew the spring contact over the battery before inserting the new one.

How Much Does It Usually Cost to Replace a Watch Battery?

Replacing a watch battery usually costs $10 to $50, depending on the type of watch and brand.

How Do You Open the Back of a Wrist Watch?

To open the back of a wristwatch, you may need a case wrench for screw-in cases or a watch opener for snap-in cases. Carefully select the right tool for your watch’s style. Gently apply pressure in the correct direction to avoid damaging the case.

Can I Replace my Watch Battery myself?

Yes, you can replace your watch battery yourself, but you may need special tools. Some watch cases can be challenging to open without a case wrench.


Replacing your watch battery is a simple DIY task that you can do yourself, saving you time and money. Whether your watch case screws in or snaps in, with the right tools and a little patience, you can easily replace the battery.

Remember to carefully unscrew or snap off the watch back, remove the old battery, insert the new one, and put the watch back together. By following these steps, you’ll have your watch ticking again in no time. Say goodbye to expensive battery replacements and hello to convenience and savings!

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