this paper introduces why it’s not good to sleep with a luminous watch? How to renovate the watch? And watch inadvertently into the water, how to remove the water in the watch simple common sense.
1, it’s not good to sleep with a luminous watch
if you sleep with a watch on your wrist, it will bring adverse effects to your body.
reason: the luminous material on the pointer and dial of the luminous watch is mainly a mixture of radium and zinc sulfide. The radiation emitted by radium can stimulate zinc sulfide crystal to emit light. When you sleep, if you wear the watch, your body will be exposed to radium radiation for eight to nine hours, which is harmful to your body. Therefore, before going to bed, it is best to take down the luminous meter and put it on the table.
3, how to renovate the watch cover
after the watch cover has been scratched with many lines, you can first drop one or two drops of water on the watch cover, and then squeeze a little toothpaste to wipe the watch cover, then you can remove the lines and make the watch cover as new as before.
3, remove the water in the watch
if there is water in the watch case accidentally, a granular material called silica gel can be put into a closed container together with the watch that has accumulated water. After a few hours, take out the watch, and the water will disappear. This method is simple and economical, without any damage to the accuracy and life of the meter. The silica gel that has absorbed water for many times can be dried at 120 ℃ for several hours. The water absorption capacity is renewable and can be used repeatedly.