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Step 1: Step 1

Unscrew all of the screws on the back of the watch.

Step 2: Step 2

Use something like a knife to pry open the back but be careful not to cut the seal.

Step 3: Step 3

Now just take out the battery then put the new one in. Then put the back on but make sure that the seal is placed right so it will be water tight.
<p>If you want to guarantee the seal, send it to http://timesticking.com They've fixed a couple of my watches that had water leak into them.</p>
<p>Nicely done. Thanks for sharing this!</p>

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