Seiko Prospex Solar PADI Edition. This highly functional diver is designed with a stainless steel case & bracelet, featuring an exclusive blue & red one way rotating bezel. The blue dial features luminous hands & markers, date calendar & screwdown crown & caseback. Powered by any light energy, its Solar Cell is energy-efficient with a 10-month power reserve once fully charged. No battery change is required. 200M Water Resistant