Features: Stainless Steel Case Stainless Steel Bracelet Automatic Movement Caliber: F6T22 Sapphire Crystal Black Open Heart Dial Analog Display See Through Case Back Deployment Clasp 50M Water Resistance Approximate Case Diameter: 38.5mm Approximate Case Thickness: 11.35mm Alternate Model Numbers: AG03002B, FAG03002B0, TAG03002B0