Seiko 5 Sports Collection. Inspired by the vintage field/aviator designs, this updated classic offers smart, casual style with both durability and all-day versatility. Providing automatic technology that you control with every movement, this distinctive 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. Including a 60-minute track marked in five-minute increments, the green sunray dial features a day/date calendar, and luminous hands and markers. With a mid-size case for an authentic look and feel, this exceptional watch is crafted of stainless steel with a brown leather strap and a screwdown see-through caseback for a view of classic timekeeping in action. 10 bar, 100M Water Resistant