Watch polishing is the surface of the oxidized metal wear off a layer. It is not important to be polished, the question is whether the equipment is good or bad and the operator's level. If you do not meet the requirements of the watch will cause harm. Because the watch polishing on the technical parameters of the request is very high, so polished watch is a very fine job, professional cleaning (polishing) usually takes 5 days to complete. While the old watch after such a complex professional cleaning, the general can turn to Bacheng new.