Prospex PADI Special Edition. Designed for those who treat life as the ultimate adventure, Seiko Prospex keeps moving forward, meeting every challenge with technological excellence and winning design. This Special Edition celebrates Seiko’s official partnership with PADI, the world’s leading scuba diver training operation. Recalling Seiko’s most iconic diving styles, this distinctive watch features a black deep 3-D pressed globe-pattern dial, as well as a black ceramic uni-directional rotating elapsed timing bezel with bright blue accents and a deeply grooved edge. For reliable timing in rough waters, 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. Also included are a magnified day/date calendar, LumiBrite hands and markers, and an anti-reflective sapphire crystal. In stainless steel, with secure screwdown crown and caseback, and tri-fold push button release clasp with secure lock and extender, this high-intensity timepiece follows ISO standards for scuba diving. 200m Water Resistant