This is the first Seiko 5 Sports watch with a GMT function, the dynamic SKX design provides on-the-go durability and style. Equipped with automatic technology that you control with every movement, this versatile watch is powered by a 24-jewel movement that beats at a frequency of 21,600 vibrations per hour, with a power reserve of approximately 41 hours and manual winding capability. Framed by a metalized, bi-color GMT bezel, the black dial features bold luminous hands and markers, and a magnified date calendar, as well as a large GMT hand for instant visibility. A classic five-row stainless steel bracelet, with tri-fold push button release clasp and lock, adds rich texture and wearability, while the stainless steel case includes a screwdown see-through caseback for a view of classic timekeeping in action. Water resistance: 100 m. Case diameter: 42.5 mm. Case thickness: 13.6 mm. Lug width: 22 mm.