Features: Stainless Steel Case Rubber Strap Automatic Movement Caliber: 80 Sapphire Crystal Black Dial Analog Display GMT Worldtimer Power Reserve Up to 80 Hours 12/24 Hours Display Luminous Hands And Markers Date Display Rotating Bezel Screw Down Crown Screwed Case Back Buckle Clasp 200M Water Resistance With Extra Bracelet Approximate Case Diameter: 40.50 mm Approximate Case Thickness: 13.40 mm Approximate Lug Width: 21.00 mm