I can't seem to remove the back casing on my Bulova watch in order to replace the battery.

Question edited for clarity, spelling of Bulova.

It is a quality watch. Contact Bulova direct, and get it serviced as well, replace gaskets etc.

https://www.google.com/search?q=bulova+watch+back+replacement+parts

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https://www.quora.com/How-do-I-know-which-battery-I-need-to-fix-my-bulova-watch

I have changed batteries on watches before but none were bulova. I opened the back which you have to do to change battery find what battery you need and order online. I have been able to find at stores year ago but most watches now days people don't change batteries they buy new watches. It is a little harder to find batteries in stores.
When you find the type battery google to get the place to buy it.
https://www.energizer.com/specialty-battery-finder/bulova-watch-battery-replacement

1. Take the watch off your wrist and turn the watch so that the back of the watch is facing up.

2. Use a watch case opener or a small flathead screwdriver to remove the back of the watch.

3. Carefully take out the old battery and discard it properly.

4. Insert the new battery, making sure the plus and minus signs line up with the corresponding symbols in the watch.

5. Securely close the back of the watch.

6. Put the watch back on your wrist and you're done.

Thanks for contacting FIxYa..
You will need to take it to an authorized Bulova retailer to have them use the correct tool to remove your battery.
Best regards. Jewel

You should take it in, it would only cost $5-10 to replace the battery. Otherwise you need a case back removal tool

the anser to the question is you need a special tool to open the watch as this is a screw back and you can buy this from Watch repair dealer from about £10

Batterie model is Panasonic MT920. You can order a Citizen part no: 295-5600 who is a rechargable batterie for watch mouvement Miyota model BR10. That mouvement is use in Bulova motion quartz, Invicta automatic and Citizen eco drive.

Hi. If you take a tiny screwdriver (one that you might use to screw a screw into an eyeglass and run it gently around the back you will feel an indentation where you can insert the tip and pop open the back. The battery is easy to access but trying to get the back back on is the problem! Good Luck.

Watch shops use a press to put backs on. Some will snap on using your thumbs, other need the press to apply more force.