316L Surgical-Quality Stainless Steel Case Jeweled Automatic Movement Jewel Bearings: 22 Jewels 36-Hour Power Reserve Beats per Hour (BPH): 21600/Hour Sapphire-Coated Mineral Crystal Engraved Pattern Dial Semi-Skeleton Dial Observation Caseback to View Movement Engraved Pattern Bezel Genuine Leather Strap Logo-Engraved Fold-Over Push-Button Deployment Clasp Super LumiNova Hands Dual Times with Mini Sub-Dial 45mm Diameter 5 ATM Water Resistance