Citizen Corporation was founded in 1918 as the Japan Shokosha Chronology Research Institute. In 1924, the first pocket watch was produced by the Shokosha Chronology Institute, and the then Mayor of Tokyo, Mr. Goto Shinpei, named the watch "Citizen", which has since become the company's name. In 1958, Citizen began exporting watches to China, and in 1986, Citizen was the world's largest producer of annual movements. In 2016, Citizen also acquired the Frédérique Constant Group, a well-known Swiss watchmaker. Citizen's style can be divided into "automatic" and "photo-kinetic" according to the movement structure, and its automatic mechanical watch has obvious advantages in price, ranging from more than 1,000 yuan to 10,000 yuan, and the popular style is concentrated between 2,000 and 3,000 yuan, and the whole system uses Miyota movements. Miyota movement is a famous trademark of Citizen, the annual production of "Miyota" movement is as high as hundreds of millions of pieces (sets), in the world, almost all watch manufacturers have used or are using Citizen "Miyota" movement. As the first company in Japan to develop radio-controlled radio-controlled watches, Citizen has always been a benchmark in this field. Citizen's radio-controlled watches are all powered by Eco-Drive technology, which uses any visible light source as an energy source, solving the two key challenges of energy and accuracy. It is difficult for friends who have worn photokinetic radio-controlled watches to go back to wearing mechanical watches, because it is so convenient.