Do you know the principle of quartz wrist watch ?
Quartz watch, is based on the battery energy, based on the time of the quartz oscillator, with integrated circuit as the core through the pointer or digital display time, common has two kinds of pointer type, digital. Some brands also make complex quartz watches .
Pointer - pointer type quartz watch also known as analog quartz watch. It has a pointer dial for a mechanical watch. According to the need can be made into three or two needles, can add a single calendar or dual calendar functions.
Digital quartz electronic watch: a watch that combines a quartz crystal circuit board with a light-emitting diode (lc) display. Its function is made entirely of electronic components and the price is very low.