Seiko 5 Sports. Inspired by classic field/military design, this versatile watch offers authentic design with both durability and all-day style. Providing 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. The black dial features Arabic numerals, a day/date calendar, red-orange tipped second hand, and luminous hands and markers. Crafted of stainless steel with a screwdown see-through caseback for a view of classic timekeeping in action. 10 bar, 100M Water Resistant