316L Surgical-Quality Stainless Steel Case Jeweled Automatic Movement Jewel Bearings: 20 Jewels 32-Hour Power Reserve Beats per Hour (BPH): 21600/Hour Sapphire-Coated Mineral Crystal Semi-Skeleton Vitreous Enamel Cloisonné Dial Vitreous Enamel Cloisonné Caseback Genuine Leather Crocodile-Embossed Strap Logo-Engraved Stainless Steel Clasp Luminous Hands 45mm Case Diameter 185-235mm Wrist Size 10 ATM Water Resistance