Prospex Special Editions, Stainless steel case and bracelet, Gradient die-stamped dial evoking the whites and blues of light reflecting off Antarctic ice and the patterns of penguin footprints in the snow, Automatic diver with manual winding capability, 21,600 vibrations per hour, Power reserve: approximately 41 hours, 24 jewels, Magnified day/date calendar, Lumibrite hands and markers, Water resistant to 200 meters (660 feet), Diver's Watch. Follows ISO standards and is suitable for scuba diving.