The 5th century clock has only one pointer to indicate the number of hours, and people can only master the time. According to legend, the British watch manager Daniel
Quare introduced the concept of minute hand in 1691. Because the previous pocket watch did not play a protective role of the mirror, set the time must be used to finger to move the pointer, so then the pointer must be done very strong, so the pointer looks very heavy, ignoring the beautiful factors. Until the mid-18th century, the pointer began to become more sophisticated, elegant. At the same time, the appearance and shape of the pointer also continue to introduce new. For the watch to create a different temperament.
In addition to modeling, the pointer material and color is also diverse, more common is the use of brass, bronze, stainless steel, gold and other indicators made. Today is also very popular electroplating process, such as rhodium plating or ruthenium plating. The pointer is black due to the black oxidation process, and the movement table or chronograph often appear red, orange and yellow pointer, mainly through hand color. Blue steel pointer is the stainless steel pointer by high temperature firing, when the surface oxidation gradually become blue and then through the chemical solution cooling, quenching, saponification, and ultimately make the surface of a layer of blue oxide film. In addition to the beautiful, the blue steel pointer also rust-proof performance.