When it comes to speed measurement, you will think of sports watches related to sports racing or racing. Generally speaking, professional sports watches will have the function of measuring the speed per hour. Friends who pay attention to racing will find that a certain racing driver often wears a For watches, the speed measurement function can be seen on the outermost periphery of the watch dial or on the outer ring of the case.

Among the complex functions of sports watches, the most popular is the chronograph function. Whether it is a sports event or your own sports process, you need a sports watch with a timing function. Various watchmakers are also fighting fiercely in the timing function.
Advanced sports watches will have the function of pedometer. The motion sensor of the pedometer watch is a 3D acceleration sensor, which can sense the three-dimensional motion acceleration generated by human movement, such as walking and running, so as to record the number of steps per unit time.
For watch lovers who like diving, the waterproof performance of the watch must be the first, and the waterproof technology generally depends on the waterproof rubber ring on the mirror, back cover, crown, etc. And today's so-called snap-on waterproof watches, sleeve-pressed waterproof watches, and compression-type screw crowns are all meant to improve the waterproof effect.