This iso-compliant promaster diver men's watch from citizen is both fun and functional. With eco-drive technology, it is powered by light and never needs a battery, so you'll never need to open your case back or compromise your dive again. This watch has a 45mm stainless steel case with an azure blue aluminum bezel and matching azure blue dial, one-way rotating elapsed time bezel and water-resistance to 200 meters. The stainless steel bracelet secures with a fold-over clasp.