How can a gold watch lose its color?
Watch manufacturers will customize the case or band in a variety of colors such as gold, silver, gunmetal, etc. Gold is an orange-yellow metallic material with soft texture, good toughness, good ductility and conductivity, and stable chemical properties, therefore, it would be used to make decorations in ancient times. Customized watches because gold is very soft, so you can not directly use pure gold to make watch cases and straps, but only take the form of alloy or electroplating.
Usually K stands for gold, indicating that K gold is an alloy of gold fused with other metals.K gold jewelry is characterized by less gold, low cost, and can be made into a variety of colors, and improve the hardness, and is not easy to deform and wear.
OEM watches gold because of its physical properties, chemical stability, high ductility and reserves of rare characteristics of gold and the same other materials compared to the watch in the price is much higher.
The Chinese market is dominated by 18K. This is because this ratio has been proven to ensure that the color of gold never disappears and that it guarantees hardness and reduces wear and tear.