Prospex Special Edition Diver's Watch. Designed for those who treat life as the ultimate adventure, Seiko Prospex keeps moving forward, meeting every challenge with technological excellence and winning design. Inspired by the colors of a tropical lagoon, this vibrant Special Edition features marine blue and green accents on its uni-directional rotating elapsed timing bezel, echoed by the green minute hand and accents on the black dial. The 24-jewel automatic movement beats at a frequency of 21,600 vibrations per hour, with a power reserve of approximately 41 hours, and offers manual winding capability. Based on an iconic Seiko design, this rugged and stylish watch follows ISO standards for scuba diving at depths of up to 200 meters. Crafted of stainless steel, with screw-down crown and caseback, date calendar, LumiBrite hands and markers, and tri-fold push button release clasp with secure lock and extender. 200m Water Resistant