[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 diver’s watch features a 3-D pressed patterned black dial with red accented second hand. For reliable timing in rough waters, 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. With a date calendar and LumiBrite hands and markers, the dial is framed by a black uni-directional rotating elapsed timing bezel. This high-intensity timepiece, in stainless steel, with secure screwdown crown and caseback, and tri-fold push button release clasp with secure lock and extender, 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): 13.40ö|Case Material: Stainless steel caseö|Crystal: Hardlex crystalö|Dial Color: Blackö|Strap: Stainless steel braceletö|Water Resistance: 200 meters (660 feet), follows ISO standards and is suitable for scuba divingö[/unique_description_1][unique_description_2]Automatic Diverö|Manual and automatic winding capabilitiesö|One-way rotating elapsed timing bezelö|LumiBrite hands and markersö|Date calendarö|Screwdown crown and casebackö|ö[/unique_description_2]