This guide will show users how to replace the waterproofing seal on the Polar V800. If the watch experiences issues with fogging or water in the watch housing, it is important to replace the waterproofing seal to protect the internal components of the watch.
Remove the eight, 7.4 millimeter-long screws on the back of the watch with a T5 head-type, torque screwdriver.
Gently separate the watch housing from the back panel.
Remove the waterproofing seal.