Citizen Promaster Marine Eco-Drive Diver's BN0158-85X 200M Men's Watch The Citizen Promaster Marine is a proof of a serious watch that can also be a fun-wear for times its functionalities are not needed. The ISO compliant Promaster Marine runs on Eco-Drive technology, featuring a one-way rotating bezel to measure elapsed time, a screw-down crown to keep water out and a stainless steel bracelet to ensure it never falls out of your wrist. Features: Stainless Steel Case Stainless Steel Bracelet Eco-Drive Movement Caliber E168 Mineral Crystal Green Dial Analog Display Luminous Hands And Markers Date Display Unidirectional Rotating Bezel Screw Down Crown Screwed Case Back Deployment Clasp 200m Water Resistance Approximate Case Diameter: 44mm Approximate Case Thickness: 11mm Approximate Lug Width: 23mm