316L Surgical-Quality Stainless Steel Case Jeweled Automatic Movement Jewel Bearings: 21 Jewels 36-Hour Power Reserve Beats per Hour (BPH): 21600/Hour Sapphire-Coated Mineral Crystal Semi-Skeleton Dial Observation Caseback to view Movement Logo-Engraved Crown Crocodile-Embossed Genuine Leather Strap Logo-Engraved Stainless Steel Clasp Luminous Hands Luminous Markers 24-Hour Sub-Dial 38mm Case Width 5 ATM Water Resistance