Proof that a Dive watch can be fun & functional with the Citizen® ISO-compliant ProMaster Professional Diver. With Eco-Drive technology it is poweRed by light and never needs a battery so you'll never need to open your case back making sure your watch maintains it factory sealed and water resistant. Featuring our Eco-Drive technology – poweRed by light any light. Never needs a battery. Caliber number E168.
