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Shop 53 rue Saint André des Arts, Paris 6th - Email: Hello@charlie-paris.com - Tel: 0967411237

Store 53 rue Saint André des Arts, Paris 6th - Email: Hello@charlie-paris.com - Tel: 0967411237

How to change the battery in my watch?

Your quartz watch does not work anymore ? Don't worry, we'll explain how to do this so that you can postpone your watch very quickly. First of all, it is important to remember that unlike automatic watches for men where the automatic watches for women, quartz watches have a battery. The battery of your quartz watch is an important part of your watch, it is this that will give the energy necessary for its operation. However, the life of a battery is not unlimited, which is why you have to change it approximately every two years.

  1. Battery change: our main advice
  2. Battery change: the different steps


1. Battery change: our main advice

If you are not a professional, we advise you to go at a watchmaker forchange the battery. Indeed, it is child's play for a watchmaker while this manipulation can be a real headache for novices and it requires a few tools that you will not necessarily have.

Some of you may still want to take the challenge and change the battery in your watch on your own!


2. Battery change at home: the different steps

We are here to help you carry out this manipulation in the best possible conditions. However if your watch is a waterproof watch We strongly recommend that you do not change the battery in your watch at home because you will not be able to test the water resistance of your watch once the battery has been changed.


1 - Open the watch

First, you must determine if your watch has a clipped caseback or a screwed caseback because the method for changing the watch battery will differ slightly:

  • To unscrew a case with a screwed back, use an adjustable case opener, an instrument which also takes the name of a key for screwed back. Position the tool on the notches on the tower of your case then turn gently, the bottom will open.
  • If you have a clipped-bottom case, take a watchmaker's knife or, if you don't have one, get a cutter. Place one of these sharp pieces in the slot. By leveraging, remove the back of your watch.


2 - Change the battery

Once the case is open, take a tweezer (or tweezers) and remove the plastic casing ring then change the battery of your watch with a similar battery in all respects (component, size, voltage). There are 3 types of batteries: silver oxide batteries, alkaline batteries and lithium batteries.

  • Silver oxide batteriesare recognizable because the letter S is engraved on the battery. This type of battery provides a voltage of 1.55 Volt.
  • Alkaline batteriesare the batteries that will most closely resemble silver oxide batteries. They are annotated by the letter L and deliver a voltage of 1.5V
  • Lithium batteriessupply 3V and carry the letter C. These are often used for watches with more complications which generally require more energy.

Finally, there are different sizes of watch batteries: the diameter of a battery is between 5mm and 20mm and the thickness is between 1 and 6mm.

If swapping a silver oxide battery and an alkaline battery on your watch does not present a major danger for the latter, it should be noted that you absolutely must not put a lithium battery on a watch that is not designed to house this type of battery. This could irreversibly damage your watch. In order not to be mistaken on the type of model, refer to the battery correspondence table


3 - Close the watch

Once the battery has been changed, replace the fitting ring by positioning the notch in the strapping at the level of the stem of the crown.

  • On a clipped case, place the notch at the bottom of the case also at the crown. Then choose the cleats adapted to the size of your case, place the case with the bottom facing up on a lever stem. A simple pressure made with the stem will be used to close the case of your watch.
  • For a case with a screwed back, screw your case back by hand first, then to close it correctly take the case opener and screw the case back as far as possible.



Keep in mind that changing the watch battery at home can affect the water resistance of the watch and that you can deteriorate the movement of the watch with improper handling. If you're not sure, we can't recommend that you go directly to your watchmaker.


change watch battery