Prospex Solar Diver. The Prospex dive line by Seiko has cemented itself as a cult classic for divers and watch aficionados alike. A unique solar diver’s watch that is powered by any light energy is matched with a lightweight matte black case and silicone strap. Highlights of gold add color to the one way rotating bezel surrounding a black dial. The date calendar is displayed at the 4 o’ clock marker and the watch features vibrant LumiBrite on hands and markers as well as the bezel. The Solar Cell is energy-efficient with a 10-month power reserve once fully charged. No battery change is required. 200M Water Resistant