An inexpensive quartz watch produced with a great deal of automation has between 50 and 100 parts; a Rolex Oyster chronometer has 220 parts.
An inexpensive quartz watch produced with a great deal of automation has between 50 and 100 parts; a Rolex Oyster chronometer has 220 parts.
廉价石英手表制作了大量的50至100之间,自动化;牡蛎有220件计时器的劳力士.