20 Most Recent Freestyle Adrenaline Sport watch #12442 Watch for Women Questions & Answers

You can arrive at the instructions by entering "www.freestyleusa.com/support/", Click on "get instructions" and a list of watches appears.

I couldn't find your watch the list but if you choose one that is similar to yours, then the instructions should be similar also.

If this is unsuccessful, click on "feedback" and speak to your nearest service center.

try here > http://www.freestyleusa.com/archives/

This is the best advice and explains why if you want it to remain watertight. https://www.fixya.com/support/r27181038-changing_watch_batteries ..

ask the manufacturer we never saw one

Is the battery defective?