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compared with other kinds of watches, mechanical watches have inherent advantages. although they feel primitive and can't keep up with the development trend of modern science and technology, the unique charm of machinery itself is incomparable. with the increasing level of technology, the movement of mechanical watches is becoming more and more complex (such as double flywheel, three-dimensional flywheel, four escapement, liquid drive, etc.), more and more diversified materials (such as carbon fiber, titanium, polymer aviation materials, etc.).