316L Surgical-Quality Stainless Steel Case Japanese Miyota 2115 Quartz Movement Sapphire-Coated Mineral Crystal Unique Patterned Dial Design Logo-Engraved Stainless Steel Caseback Uni-Directional Bezel Screw-Down Crown Silicone Strap Logo-Engraved Stainless Steel Clasp Luminous Hands Luminous Markers Magnified Date Display 46mm Case Diameter 20ATM Water Resistance (Professional Deep Diving Approved)