Some purchasing companies think that the hole positions of the quartz clock-hands are all the same. When purchasing quartz clock movements and clock hands from different manufacturers, they will often make such mistakes without paying attention or understanding. In fact, there are many types on the market. The quartz clock hand holes we generally use have two hole shapes and sizes. The clock hand hole shape and the round square are used more frequently. There are two clock-hands hole sizes. One is the hole size of the Seiko movement, and the other is the hole size of the sun movement.
In addition, there are two types of pinholes for the quartz clocks of Hengrong watches: punching and adding copper sleeves. The process of punching and stretching the quartz clock hands of the punching tube is a punching and stretching process. And used, the price is lower than the clock hands with copper sleeves. Quartz clock-hands with copper sleeves are of better quality and are the choice for high-quality requirements. The clock hole and the copper sleeve are called copper sleeves. Its advantage is that it is not afraid of corrosion, and it can be said that it does not fall off when installed on the movement shaft. The possibility of downloading is very firm.
