316L Surgical-Quality Stainless Steel Case Japanese Seiko PC32 Quartz Movement Non-Glare Scratch-Resistant Mineral Crystal Logo-Engraved Stainless Steel Caseback Uni-Directional Bezel Screw-Down Crown Genuine Leather Strap Logo-Engraved Stainless Steel Clasp Luminous Hands Luminous Markers Magnified Date Display 45mm Case Diameter 20ATM Water Resistance (Professional Deep Diving Approved)