Watches are divided into quartz watches and mechanical watches. And mechanical watches are divided into automatic and semi-automatic.
How to distinguish two kinds of watches. Here I list the main difference for you.
1. Power Source is different. Quartz watch need to change batteries normally, but mechanical watch needn’t.
2. Different accuracy. Quartz watch has a very small error on time, but mechanical watch has a big error. The more oscillation frequency, the more accurate on time. And the oscillation frequency of quartz watch is much more larger than mechanical watch.
3. Mechanical watch is thicker than quartz watch. (based on same model same brand)
4. Different motion. The second hand of mechanical watch is uniform motion. But for quartz watch, the second hand is jumping.
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