China is the world’s largest watch producer. China’s watch manufacturing industry has gradually formed a clustered development structure with small and medium-sized enterprises as the main body. Private enterprises and foreign-funded enterprises have expanded rapidly (accounting for more than 70% of the total number of enterprises). Six main production areas have been formed in the…
When the First World War broke out in 1914, the military of various countries realized the importance of “hands-free” watches. In 1926, the first self-winding watch was invented. Since 1960, the traditional round form has been generally liked by the public. Further improvements to the watch in Switzerland. In 1952, an electronic watch was produced…
What are the precautions for using gold-plated watches? The gold-plated layer on gold-plated watches is mostly 14K gold. In addition to 58.5% pure gold, this gold also contains a certain amount of silver. After the silver reacts with some volatile industrial waste gas in the air. A black silver sulfide film will be produced on…
