Proof that a dive watch can be fun and functional with Citizen ISO compliant 200m Promaster Marine. With Eco-Drive technology, it is powered by light and never needs a battery. Featuring a one way rotating elapsed time bezel and screw down crown. It is stylishly understated with its dazzling black bezel and emerald green dial. It will let you reach your limits and provide your life with the adventure you are searching for.