針やインデックスなど文字盤上の金属部分にゴールドカラー ... に発電する機構を持つ、セイコー独自のクオーツ「キネティック」を搭載して ...

Seiko started the trend a few years ago with the splashy and successful introduction of its Kinetic series of watches. The Swiss watch giant SMH bought out its own battery-less technology, called ...