Proof that a Dive watch can be fun & 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 in stainless Steel with azure Blue aluminum bezel and matching azure Blue Dial one-way rotating elapsed time and WR200. Caliber number E168.