watches trend 2017

Hours bag first created by Peter Henlein in Germany in 1524.
So many shortcomings of this first pocket watch, both in terms of weight and complex operation makes it impractical to use as a pocket watch.
Machines used was made of ordinary steel, which later progressed to use brass.
In addition to this first pocket watch balance spring and yet there is very inaccurate. This clock has only one needle which is an hour and had to be played twice a day, but despite all the shortcomings, this is an innovative and very rapid progress in his time.
Later major discovery at that time is a spiral shaped like a coiled coils that allow energy storage to drive longer hours, which also enables drastically decrease the weight of the hour.
Shape clock became popular in the 1600s with no forms of animals or other objects, but religious themes become popular.