Features: Stainless Steel Case Rubber Strap Quartz Movement Caliber : Miyota 2305 Sapphire Crystal Blue Dial Analog Display Rosca Crown Luminous Hands And Markers Date Display Uni Directional Rotating Bezel Screw Down Crown Screwed Case Back Buckle Clasp 200M Water Resistance Approximate Case Diameter: 45.00 mm Approximate Case Thickness: 14.10 mm