When the temperature of the electronic watch is between 25 and 28°C, the timing error of one day and night is less than one second. When the temperature is below 0°C or above 50°C, it will slow down by two seconds every day and night. At the same time, when the temperature is as high as 60°C, the LCD panel will turn black, and when the temperature drops below 0°C, the LCD panel will lose its display function. Therefore, in winter, the electronic watch can only be worn on the wrist, and the constant temperature of the human body is used to maintain it. normal timing. In addition, high temperature and low temperature will also cause battery leakage and corrosion of the movement. The battery of an electronic watch can generally be used for more than one year, but the lighting consumes a lot of power. The power consumption of turning on for one second is equivalent to more than one hour of timing. The lights will dim when the battery is nearly depleted, or the digital display will dim or even disappear when turned on. When replacing the battery, if you do not understand the watch repair technology, you should send it to a watch repair shop for installation. Moreover, the battery specifications are not standardized, and there are many batteries of various brands, which cannot be used arbitrarily.