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 Features Automatic movement with approximately seventy hour power reserve Cream dial with applied indices, cathedral hands, and date display Sapphire crystal for durability and lasting clarity Stainless steel case and bracelet with secure clasp Water resistance rated to two hundred meters Specifications Collection: Prospex Alpinist Gender: Men Style: Sport Movement: Automatic (Caliber 6R35) Band: Stainless steel bracelet with clasp Dial Color: Cream Case Diameter: 38 mm Case Thickness: 12.9 mm Case Material: Stainless steel Crystal: Sapphire Water Resistance: 200 meters