Features: Stainless Steel Case Black Leather Strap Automatic Movement Caliber: 80 25 Jewels Sapphire Crystal With Double Sided Anti-Reflection Treatment Blue Dial Analog Display Power Reserve Up to 80 Hours Date Display See Through Case Back Buckle Clasp 50M Water Resistance Approximate Case Diameter: 41.80 mm Approximate Case Thickness: 10.10 mm