DARPA Wants Portable Atomic

Quartz or mechanics: choose a mechanism

The most important and the first question to be asked to a specialist is: “what kind of mechanism does a wristwatch have?” We will not take into account watches with an electronic dial, but consider two main types: mechanical and quartz.

The main difference is what is used as an energy source. For quartz watches it is a battery, for mechanical watches it is a coil spring. Of course, both of them have their pros and cons, although outwardly they can be difficult to distinguish. The main thing is not to miss the moment when you need to replace the battery, otherwise you can stay on the vsmb.vn website for a very long time, thinking that very little time has passed.

Image by Black ice from Pexels

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