Take action and show your inner drive with the sporty styling of the Drive from CITIZEN AR. Featured with a men's gray ion-plated stainless steel case, gray and red silicon strap, gray dial featuring red accents, and date. Featuring our Eco-Drive technology – powered by light, any light. Never needs a battery. Product details: Movement: Eco-Drive Band: Silicon Case Size (mm): 45 Crystal: Mineral Crystal Water resistance: 3 bar Additional Functions: 3 Hand; Date Warranty: 5 years Limited Manufacturer Warranty