Prove that a dive watch can be fun and functional with the Citizen 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. Featured with a Super Titanium case, blue polyurethane strap and blue dial. Additional features include an aluminum ring on the bezel, one-way rotating elapsed time, screw-back case, screw-down crown and WR200.