Features: Stainless Steel Case Leather Strap Automatic Movement Caliber: 4R35 23 Jewels Hardlex Crystal Green Dial Analog Display Date Display See Through Case Back Buckle Clasp 50M Water Resistance Approximate Case Diameter: 38mm Approximate Case Thickness: 12mm Movement : Automatic Water Resistance : 5 bar Caliber Number : 4R35 Diameter: 38.5 mm. Crystal : Box-shaped Hardlex