Where is the serial number of Jiaming Watch?

The serial number of Jiaming code table is on the machine box or open Jiaming settings and find my device to check the serial number. A watch is a tool worn on your wrist to tell time or show time. Watches are usually made of leather, rubber, nylon, stainless steel and other materials, and the instrument showing time is tied to the wrist. The making and production of watches are based on a simple and witty invention, that is, clockwork.

Watch introduction

It can tighten and store energy, slowly release energy to push the running device and hands in the watch, and realize the function of displaying time. This spring device in the watch is called the main spring. Watch structure A watch consists of a meter head and a belt buckle.

Among them, the parts of the meter head include: movement, case, bottom cover, mirror, dial, pointer, knob, also called push, which makes some watches require.

The working principle of watches, watches are precision instruments used to indicate time. The principle of this instrument is to use a vibration system with constant period and continuous vibration as the standard. If we know the time it takes for the vibration system to complete a complete vibration of a watch and calculate the number of vibrations, then the time after vibrating so many times is equal to the vibration period multiplied by the number of vibrations.