In addition to mechanical watches in addition to being severely affected by this situation will become faster, the long-term use of most of the conditions will slow down. The reason for this slowing down is that the lubricating oil of the movement becomes more and more viscous over time, and that the dust inside the movement mixes with the lubricating oil to form the so-called "sludge". Because the role of lubrication is reduced, the table will naturally slow down. The solution is to wash the oil to a professional maintenance organization or a qualified maintenance division. Wash this thing, the general consumer watch their own uncertain.
Movement is a more tedious work wash oil, to put it simply to break up all parts of the movement, the oil wash and then point the new lubricant, a disassembly can not cause any scratches to the movement parts, the movement function and Accuracy can not be any impact.
Every four to five years, the watch movement should be carried out wash oil care, which is to ensure that the watch can be the key to long-term use. The cost of maintenance watches, should be taken into account when buying a watch. In general, the more expensive the watch, the more expensive it is for maintenance. Rolex maintenance time about 3000-5000 yuan, Patek Philippe watches the basic maintenance costs are generally close to million.