316L Surgical-Quality Stainless Steel Case Swiss Ronda 515 Quartz Movement Sapphire-Coated Mineral Crystal Uni-Directional Rotating Bezel Interchangeable Rubber Strap and 316L Surgical-Quality Stainless Steel Bracelet Spring Bar for Easy Interchange Bands Band Changing Tool Logo-Engraved Stainless Steel Clasp Swiss Super-LumiNova Hands Swiss Super-LumiNova Markers Magnified Date Display 43mm Diameter 50 ATM (Professional Diver Water Resistance)