316L Surgical-Quality Stainless Steel Case Japanese Miyota 2115 Quartz Movement Sapphire-Coated Mineral Crystal Logo-Engraved Stainless Steel Caseback Uni-Directional Bezel Screw-Down Crown Silicone Strap Logo-Engraved Stainless Steel Clasp Swiss Super-LumiNova Hands Swiss Super-LumiNova Markers Magnified Date Display 45mm Case Diameter 20ATM Water Resistance (Professional Deep Diving Approved)