Prospex Black Series Limited 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 season, the popular Black Series introduces three exciting “Night Vision” Limited Edition designs, available only in a controlled-production run with the serial number on each caseback, all featuring the newly developed bright green LumiBrite, the most recognizable color in dark conditions, set on matte gray dials for reduced reflection and heightened visibility. This slim and wearable solar-powered version, available in a limited editionof 6,000, features an energy-efficient solar cell, powered by any light source, with no battery change required, and providing a 10-month power reserve when fully charged. Following ISO standards for scuba diving at depths of up to 200 meters, this dramatic watch, the first in the series with both the bracelet and case in stainless steel with black hard coating, includes a blackuni-directional rotating elapsed timing bezel, date calendar, sapphire crystal, tri-fold push button release clasp with secure lock and extender, and screwdown crown and caseback. 200m Water Resistant