Light-winding Eco Drive movement with 270-day power reserve. 1/5 second chronograph functions up to 60 minutes. Features Steel case with black-finished bezel. Screw-down case back. Steel bracelet. WR 10 bar. Dimensions Case Diameter 43 mm Additional Details Item code CA4486-82L Technology Function Chrono Type Eco Drive Movement Power Reserve 6 months Case Material Steel Case Finish Screw Case Back Mineral Glass Bracelet Type Metal Bracelet Material Steel Dial Type Analog Color Blue Water Resistance WR 10 Bar Case Diameter (mm) 43.00 Weight (gr) 158.00