Deep sea apparatus...Eco-Drive Aqualand diver's chronograph. The world's first light powered dive watch with an electronic depth sensor. Sixty day power reserve charges in sunlight or indoors. Extremely durable brushed steel case is accented by the unidirectional rotating bezel with gold plated trim and engraved markers. Black dial with three subdials, luminous hands and hour markers. High performance black rubber band is ideal for deep sea exploration. Depth display up to 125 feet. 12/24 hour time. Fifty minute chronograph.