316L Surgical-Quality Stainless Steel Case Japanese Miyota Quartz Movement Sapphire-Coated Mineral Crystal Logo-Engraved Stainless Steel Caseback Uni-Directional Bezel Screw-Down Crown Crown Protector Case Design Rubber Strap Logo-Engraved Stainless Steel Clasp Swiss Super-LumiNova Hands Swiss Super-LumiNova Markers Date Indicator 47mm Case Diameter 20ATM Water Resistance (Professional Deep Diving Approved)