However, many watch friends do not understand why the watch time is incorrect because they do not understand the watch.As a result, it turns out that the sandwich plate surface was invented by the dial factory in 1935. The patent number is 18212. Longines preceded Panerai.?Use this technique.
With a long history, luxurious booths and a large number of exhibitors, perhaps Basel should understand that these are no longer what the watchmakers of this era need.Make it advance the gear train and roll the pointer. At that time, the minute hand was basically driven by electricity. 2. Digital quartz watch: The basic principle is the same as the analog quartz watch, but it does not he a gear train, but directly uses liquid crystal (LCD) to display the time. Please note: the IC board usually goes around in a circle. For a long time, the contact points will accumulate dust or get wet.