The Drive from Citizen collection. A collection of watches with simple classically modern designed cases all powered by Citizen's Eco Drive Technology. These watches are powered by light and will never need a battery change. Featured here with black ion-plated stainless steel case and black dial with silver-tone and green accents. Featuring our Eco-Drive technology powered by light, any light. Never needs a battery. Product details: Movement: Eco-Drive Band: Stainless Steel. Case Size (mm): 42 Crystal: Mineral Crystal Water resistance: 10 bar Additional functions: 3 Hand; Date Warranty: 5 years Limited Manufacturer Warranty