Mislim da je kolega @Haifisch23 lepo objasnio.
I sam proizvodjac Tissot objasnio je otkud tako prihvatljiva cena Tissot Swissmatic modela:

SWISSMATIC

The Swissmatic movement is a true innovation in the watch-making industry. The secret that enables Tissot to offer a model at such an attractive price lies in the automated production chain on which its components are manufactured, then assembled in modules to build a complete movement. The Swissmatic*72 movement offers 72 hours of power reserve, which is enough to tell time accurately even if the watch is not worn for three days

https://www.tissotwatches.com/en-en/t1094071603100.html


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