Seiko Kinetic Sapphire SKA744 SKA744P1 SKA744P Men's WatchSeiko Kinetic Sapphire SKA744 SKA744P1 SKA744P Men's Watch The dressy, deadly Seiko Kinetic! Now this is a watch technology that gives you quartz accuracy with a mechanical feel; mystifies and amazes with the sensation. The Kinetic is an interesting hybrid movement that saves you from the almost ritualistic winding or replacing the power source and the yearly maintenance and servicing responsibilities. And the sapphire crystal is an added bonus!