[product_description]Prospex Automatic Diver. Designed for those who treat life as the ultimate adventure, the Seiko Prospex line meets every challenge with technological excellence and winning design. Inspired by Seiko’s most iconic diving styles, this distinctive watch includes such upgrades as a black ceramic one-way rotating elapsed timing bezel, magnified date window and sapphire crystal with anti-reflective coating on the inner surface. The white dial, with LumiBrite hands and markers, has a 3-D pattern reflecting the shape of the black and gray bezel edge. For reliable underwater timekeeping, the 23-jewel automatic movement beats at a frequency of 21,600 vibrations per hour, with a power reserve of approximately 41 hours, and can be wound manually or automatically. Crafted of stainless steel, with black silicone strap and secure screwdown crown and caseback, this high-intensity timepiece follows ISO standards for scuba diving. 200m Water Resistant[/product_description][unique_description_1]Technology: Automaticö|Caliber 4R35ö|21,600 vibrations per hourö|23 jewelsö|Power reserve: approximately 41 hoursö|Case Diameter (mm): 44.00ö|Case Thickness (mm): 12.81ö|Case Length (mm): 48.70ö|Case Material: Stainless steel caseö|Crystal: Sapphire crystal with anti-reflective coating on the inner surfaceö|Dial Color: Whiteö|Strap: Black silicone strapö|Water Resistance: 200 meters (660 feet), follows ISO standards and is suitable for scuba divingö[/unique_description_1][unique_description_2]From the Prospex Collectionö|Automatic Diverö|Manual and automatic winding capabilitiesö|Black ceramic one-way rotating elapsed timing bezelö|White dial with 3-D pressed pattern reflecting the bezel edge shapeö|Magnified date calendarö|LumiBrite hands and markersö|Screwdown crown and casebackö|ö[/unique_description_2]