[product_description]1959 Sport Watch Reinterpretation. Designed for those who treat life as the ultimate adventure, the Seiko Prospex line meets every challenge with technological excellence and style. Part of a rich legacy of innovation in high-intensity timekeeping, Prospex continues to celebrate over 60 years of sports watch excellence with recreations and reinterpretations of landmark achievements. A modern reimagining of Seiko's first sport watch, introduced in 1959, this distinctive timepiece follows a highly successful Spring 2019 limited edition and more recent additions to the line. With a smaller case to fit contemporary tastes while evoking a vintage feel, this versatile watch features a gradated green dial with date calendar and LumiBrite hands and markers, as well as a curved anti-reflective sapphire crystal. The 24-jewel automatic movement beats at a frequency of 21,600 vibrations per hour, with a power reserve of approximately 70 hours, and can be wound manually or automatically. Crafted of stainless steel, with screwdown crown, see-through caseback, and secure tri-fold push button release clasp. 20 bar, 200M Water Resistant[/product_description][unique_description_1]Technology: Automaticö|Caliber 6R35ö|21,600 vibrations per hourö|24 jewelsö|Power reserve: approximately 70 hoursö|Case Diameter (mm): 38.00ö|Case Thickness (mm): 12.90ö|Case Length (mm): 46.00ö|Case Material: Stainless steel caseö|Crystal: Curved sapphire crystal with anti-reflective coating on the inner surfaceö|Dial Color: Greenö|Strap: Stainless steel braceletö|Water Resistance: 20 bar, 200 meters (660 feet)ö[/unique_description_1][unique_description_2]1959 Sport Watch Reinterpretationö|Manual and automatic winding capabilitiesö|Gradated green dialö|Date calendarö|LumiBrite hands and markersö|Screwdown crown and see-through casebackö|Tri-fold push button release claspö|ö[/unique_description_2]