Step 8. Once the old battery has been removed, insert the new battery into the battery compartment trying to avoid touching the faces of the
tweezers can be useful for this part of the process. Press the battery into place.
Click on image to enlarge.
Step 9. Check that the watch is working - if not check the section on
Problems afer replacing new battery. If the watch is working you can now replace the watch back. Place the watch back on to the watch case, making
sure that you don't trap the o-ring seal between the watch back and the case and screw it in a clockwise direction.