316L Surgical-Quality Stainless Steel Case Accurate Japanese 8215 Automatic Movement Non-Glare Scratch-Resistant Mineral Crystal Logo-Engraved Stainless Steel Caseback Unidirectional Bezel Screw-Down Crown 316L Surgical-Quality Stainless Steel Bracelet Logo-Engraved Stainless Steel Fold-Over Push-Button Deployment Clasp Luminous Hands Luminous Markers 44mm Case Diameter 20 ATM Water Resistance (Professional Deep Diving Approved)