Kinetic Perpetual | Seiko Watch Corporation
https://www.seikowatches.com/us-en/customerservice/knowledge/kinetic-perpetual-knowledge
WebKinetic Perpetual combines the beauty of a classic mechanical perpetual calendar, correct until February 28, 2100, with the advantages of Kinetic – powered by the movement of your body – perpetual quartz accuracy, and up to 4 years autonomy when not worn. This caliber is a triumph of classical watch-making and modern microelectronics.
DA: 63 PA: 43 MOZ Rank: 44