Proof that a dive watch can be fun & functional with the Citizen® ISO-compliant Promaster Professional Diver. The case is stainless steel with DLC ( diamond-like coating) making it more scratch resistant and able to handle the wear and tear of your next dive trip. Features include one-way rotating elapsed time bezel, helium release and luminous hands and markers. With Eco-Drive technology, it is powered by light and never needs a battery, so you\'ll never need to open your caseback making sure your watch stays factory sealed and water-resistant. Featuring our Eco-Drive technology – powered by light, any light. Never needs a battery. Caliber number E168.
