316L Surgical-Quality Stainless Steel Case Miyota 8N24 Jeweled Automatic Movement Jewel Bearings: 21 Jewels 42-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 42mm Case Width 10 ATM Water Resistance