Through the ten a long time of advancement at Suwa Seikosha, Seiko managed to create quite a few elements which enabled the practical application of quartz in wristwatches. As an example, Seiko Slice the crystal oscillator into The form of the tuning-fork, and formulated an integrated circuit and action motor http://riverqwbfe.blogolenta.com/8355017/a-review-of-pulsar-watches