Features: Stainless Steel Case Stainless Steel Bracelet Quartz Movement Caliber: JS25 Sapphire Coated Mineral Crystal Blue Dial Analog Display Chronograph Function 12/24 Hours Display Luminous Hands And Markers Date Display Screw Down Crown Screwed Case Back Deployment Clasp 100m Water Resistance Approximate Case Diameter: 45mm Approximate Case Thickness: 11mm Approximate Lug Width : 14mm