316L Surgical-Quality Stainless Steel Case Jeweled Automatic Movement Jewel Bearings: 19 Jewels 36-Hour Power Reserve Beats per Hour (BPH): 21600/Hour Sapphire-Coated Mineral Crystal Mother-of-Pearl Dial Skeleton Dial 12 Crystal Markers on Dial Observation Caseback to view Movement Jewel-Tipped Crown Genuine Leather Strap Logo-Engraved Fold-Over Push-Button Deployment Clasp Luminous Hands 38mm Diameter 10 ATM Water Resistance