316L Surgical-Quality Stainless Steel Case Accurate Japanese Automatic Movement Sapphire Coated Mineral Crystal Logo-Engraved Stainless Steel Caseback Uni-Directional Bezel 316L Surgical-Quality Stainless Steel Bracelet Logo-Engraved Stainless Steel Fold-Over Push-Button Deployment Clasp Luminous Hands Luminous Markers 44mm Case Diameter 20ATM Water Resistance