How to Replace a Watch Battery in Your Watch

So how do you replace a watch battery in your watch?

The instructions for changing a watch battery will depend on the type of watch you have. Click the links below to find help on the different steps in replacing a watch battery for different types of watches:
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1. How do I open the watch case?
2. What is the correct battery for my watch?
3. How do I fit the battery?
4. How do I replace the watch case back?
5. Will my watch still be waterproof?
6. The digital display on my watch is not working.
7. My watch still won't go with the new battery.

Step by step instructions for:

8. Replacing a battery in a Snap Back watch case.
9. Replacing a battery in a Screw Back watch case.
10. Replacing a battery in a watch with screws in the watch back.
11. Replacing a battery in a Swatch watch.

1. How do I open the watch case?

There are three main types of watch case - the 'snap back' type, the 'screw' type and watch cases where the watch back plate is held in place by small screws. Swatch watches have sealed cases which do not open, but have a battery port that can be opened for easy battery replacement.

	a) The snap off type watch back
	b) The screw type case back
	c) Watch backs held on with screws
	d) Swatch watch cases

2. What is the correct battery for my watch?

In order to identify the correct replacement battery for your watch you will need to know the battery code. Sometimes this is printed on the back of the watch - as with Timex watches - but in many cases you will need to open the watch up to see the code on the battery.
The code can take various forms such as:

Use our extensive cross reference table to find the equivalent code and correct battery for your watch.
Alternatively you can simply type the battery code you have into the search box below and it will take you to the correct equivalent battery.

If you are still not sure if you have identified the correct battery you can contact us using our

3. How do I fit the battery?

Once you have opened the watch case you will need to remove the old battery and replace it. There are a number of different ways in which batteries are held in place the watch movement. Sometimes they are held in by a spring clip, sometimes by a retaining bar, sometimes by a plastic cover. In some cases it will be neccessary to loosen or remove some screws to remove the retaining clip, in others the battery can be eased out of the battery compartment. Here are some examples of the types of battery retainers you are likely to see:

	a) Clip held watch battery in Casio watch
	b) Spring clip watch battery retainer
	c) Screw clip watch battery retainer
	d) Plastic surround watch battery retainer

Once you have removed the old battery, putting in the new battery is simply a reversal of the procedure above. Using the tweezers or other non-metalic tool ease the battery back into place and, if required, screw the retaining bar back in place.

4. How do I replace the watch case back?

Before replacing the back of the watch first check that the watch is working, if it is then all is ready for you to replace the watch case back. When putting the watch case back on to the watch be careful not to loose or damage the rubber o-ring seal. This is important in keeping the watch water tight (see below).

	a) Closing a screw type watch back With a screw back simply place the back on to the watch case and twist the back clockwise to screw it back in place. Tighten carefully using a or similar.
	b) Closing a watch back held on with screws With a back plate held on with screws, using a replace each screw and tighten gently so as not to strip the threads.
	c) Closing a