Stainless Steel Blue Dial Promaster Diver Citizen WatchProof that a dive watch can be fun and functional with the ISO compliant Promaster Diver. With Eco Drive technology, it is powered by light and never needs a battery, so you'll never need to open your caseback or compromise your dive again. Featuring a stainless steel case, dark blue polyurethane strap and a dark blue dial. Additional features include an aluminium ring on the bezel, screw back case and screw down crown, one way rotating elapsed time