Proof that a dive watch can be fun and functional with Citizen ISO compliant Promaster Marine. With Eco-Drive technology, it is powered by light and never needs a battery. Featuring a one way rotating elapsed time bezel, screw down crown and stainless steel bracelet. It is stylishly understated with its dazzling emerald green dial and bezel. It will let you reach your limits and provide your life with the adventure you are searching for.