Features: Stainless Steel Case Leather Strap Eco-Drive Movement Caliber: E870 Sapphire Crystal Brown Dial Analog Display Perpetual Calendar GMT Dual Time Alarm 12/24 Hours Display Luminous Hands And Markers Month, Day And Date Display Screwed Case Back Buckle Clasp 100m Water Resistance Approximate Case Diameter: 42mm Approximate Case Thickness: 11mm nbsp;