316L Surgical-Quality Stainless Steel CaseAccurate Japanese 8215 Automatic MovementNon-Glare Scratch-Resistant Mineral CrystalLogo-Engraved Stainless Steel CasebackUnidirectional BezelScrew-Down Crown316L Surgical-Quality Stainless Steel BraceletLogo-Engraved Stainless Steel Fold-Over Push-Button Deployment ClaspLuminous HandsLuminous Markers44mm Case Diameter20 ATM Water Resistance (Professional Deep Diving Approved)