[product_description]Seiko 5 Sports Collection. Adding all-black street-style to a design inspired by vintage field/military looks, this dramatic watch delivers all-day versatility with a cutting-edge. Providing automatic technology that you control with every movement, this dynamic timepiece 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. Accentuated by different applied materials, textures and finishes, the rich black dial features a 24-hour inner ring, day/date calendar, and luminous hands and markers. With a stainless steel case in black ion finish and a black nylon strap, this exceptional watch includes a screwdown see-through caseback for a view of classic timekeeping in action. 10 bar, 100M Water Resistant[/product_description][unique_description_1]|Caliber 4R36ö|21,600 vibrations per hourö|24 jewelsö|Power reserve: approximately 41 hoursCase Diameter: 39.4mmö|Case Thickness: 13.10mmö|Case Length: 48.00mmö|Stainless steel case with black hard coatingö|Curved Hardlex crystalö|Black nylon strapö|10 bar, 100 meters (330 feet)ö[/unique_description_1][unique_description_2]|Seiko 5 Sports Collectionö|Inspired by vintage field/military styleö|Street-style all-black design accentuated by different applied materials, textures and finishesö|Automatic with manual winding capabilityö|Black dialö|24-hour inner ringö|Day/date calendarö|Luminous hands and markersö|Screwdown see-through casebackö[/unique_description_2]