identify omega quartz lasalle watch model

[bigezwalker]

bought in switzerland in 1988. Looking for information such as the model number and what replacement battery it requires. this watch is a very thin dress watch.

 

[tyrantlizardrex]

Hello.

If you can get a watchmaker to open the watch, you'll find the model number on the inside of the case back.

From there you should be able to work out the movement and battery type.

Hopefully there is not an old/leaked battery inside.