Watch the type of material and the merits of the points

Watch, literally understood to be worn on the hands of the table, from my understanding is installed two tape timer. Its original function is to define the time, so watch has emerged as one of the big family, indispensable. With the development of science and technology, the arrival of the quartz wave, people's living standards improve, time is everywhere, watches no longer be seen as the only way to know time. After the 70s, surviving watch factory rejuvenated its second spring, and now watch as a work of art, collectibles (quartz watch does not exist in this category) exists. After losing the definition of time function mechanical watch what to save themselves? The answer is: Meilun beauty of the United States