What kind of batteries diadora watch use?

https://www.fixya.com/support/r27181038-changing_watch_batteries

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It depends on where you purchased it from. http://www.jomashop.com/diadora-watch-6126m-03m.html
You should be able to contact the store you purchased it from for further instruction

There're a lots of watch repair shops. Ask them they have more information and even can fix it

It takes a silver oxide battery 371.

Some of these talking watches have 2 batteries, one for the voice and one for the hands, the one for hands is underneath the talking part. A lot of people don't know this and,just change the top battery. All watch batteries are the same voltage but the better brands tend to last longer, a good Swiss battery is the way to go. The more you use the talking function the more power you,will use

It might say on the back cover of the watch, if not, when you carfully pry the back of the watch off, you will see the battery, and it will say on the battery what it is.

Can you take the battery out? Do you have access to opening? Your best bet with this kind of watch is to take to a qualified watch service. Usually under $15 for the battery and installation and they have the correct tools to do it.

I have a Bench Watch BC0013BR and do not know how to set it up any help would be appreciated

Before I repair that kind of watch,using the battery size Maxell "SR 912.In Swiss battery liked Renata has a equivalent number of 912 is Japanese standard battery size. Its better you bring it to a authorized service center im sure they have available special battery for that watch. They have a special tool to open that with no scratch it is an expensive watch.

hope it may help you;

Regards;
VOTIT

It is not likely that there is a protective cover over the battery itself, if there is anything on it to prevent use while not owned it is a little pc of plastic holding the stem out. It is sad to say but there is no way to tell how long the watch had the current battery in it before you received it. It is common to get a new watch and have the battery die shortly after or be already dead. Go to a local jewelry store to have replaced, make sure they are able to test the old one FIRST, if the battery is dead, allow them to replace it, if the battery is fine, return the watch to Amazon.