The service life of the watch is related to whether the wearer uses and maintains the watch correctly. For example, wearing the watch to take a bath, the appearance of t…
In typical use, it will not be scraped. The actual factors are the following:sapphire case watch 。
1. The truth is, the sapphire used in wrist watches will not be pri…
Noise decrease: If this works with active noise reduction, the range of -35dB is generally thought to be moving, and -40dB is best. The guidelines are for reference poin…