Changing a Battery WaterProof Screw On Back Case Cover

Screw on waterproof Watch Replacing a battery in a waterproof watch there is no guarantee that the watch will remain waterproof after. Examine and Clean around the back case cover if the watch has a bracelet you may need to release the spring bar to get to the cover, now with the key tool unscrew the back case cover, take note of which way around the battery is take a note of the battery number if possible. Don't touch the new battery with your fingers use plastic tweezers there are 3 possibilities of how the battery is held in (1) By a spring that is down the side of the battery this requires a small screwdriver to edge the battery out (2) ) the battery is held in by a spring just unscrew it completely it may cause you problems when you come to refit. over the top edge of the battery this requires a small screwdriver to push the spring from off the battery (3) The battery is held in by a battery strap over the center of the battery you will need to loosen one of the screws do not
Replacing the back case cover. Before replacing the back case cover make sure that the watch is working, if the watch has a rubber seal between the case and the back case cover inspect it for wear & tear if damaged replace it, screw the back case cover on.