DESC: Deep sea measures...Eco-Drive Aqualand divers chronograph. The worlds first light powered dive watch with an electronic depth sensor. Extremely durable brushed steel case is accented by the unidirectional rotating bezel with engraved markers. Black dial with three subdials, luminous hands and hour markers. High performance black rubber band is ideal for deep sea exploration. Screw-in crown and case back for water resistance to 200 meters (660 feet). Perfect for scuba diving. Depth display up to 125 feet. 12/24 hour time. Fifty minute chronograph. Low charge indicator. Case is 44mm in diameter and 14.5mm thick.