This is a model from the Seiko “5” series - automatic, affordable and with a classic design. The SNKE51K1 features a bold blue dial, a 39 x 10mm stainless steel case and bracelet, a day/date display at 3 o'clock and Seiko's in-house automatic movement with approximately 41 hour power reserve. Fitted with Seiko's proprietary Hardlex mineral glass, it presents a clean, versatile look that works both for daily wear and more dressed-up occasions. 30m water resistant.