Screw-off case back
Generally the screw-off back with is usually 6~8 notches along the edge.
You need use universal watch opener to open screw-off cover.Based on the back size and angle,you can adjust the handle and distance.
2. Remove the battery of the watch.
After the back cover is open,You will see the battery held in the movement.There are 2 different types of battery placement.
Based on the first battery placement,You can use a tweezers to align the hole and push lightly to remove the battery directly.If the tweezers is plastic,it will be better.
The second placement is the battery is fixed by one metal clips. First you need take the plastic inner case away.(inner case is between the cover and the inside of watches.that inner case is used to fix the movement and connect to the watch case).Use the tweezers to remove the clips and align the hole,then push gently to remove the battery.
3. Replace the new watch battery.
Install the new battery by using the tweezers. or you can replace the watch battery and press the battery down by finger .and make sure the battery is seated correctly.if the battery is not held in the right position or upside down,the watches won’t work.
4. Replace the Cover back.
Before installing the back cover,please make sure that watch is working.if the watch hands are not moving,
maybe the new battery is not installed correctly.
Snap-off case back
Put the cover on the watch please remember to align the notches of the case and the back cover.
Then push the cover until you hear a click. please make sure your watch face and glass are prevent from damaging .
The watch cover has a screw
Place the back on the watch then put the screw on the lug hole.Use a small screwdriver to reinsert the screws.please ensure the screws is not too tight.otherwise the watch back won’t even or the inner case are damaged.
The watch opener can screw the back covers by adjusting the angle and distance.and don’t over tighten.
5.Then turn the back of the quartz clockwise back to its original position, and adjust the time.
With a new battery,your watch can last many years again.and for more detail,you can view our video and learn to how to replace the battery.