Case: 316L High Precision Stainless Steel, Individually Numbered, Screw Down Caseback Dial: Green Turtle Dial and Green Bezel, White Luminous Dot Index & Hands Glass: Domed Sapphire Crystal with Anti-Reflective Coating Movement: TMI VH31 W. Sweep Second Hand, Quartz (Japanese) Size: 42 mm wide, 12 mm thick, 20 mm lug , 50.5 mm lug-to-log Water resistance: 20 atm tested/ 200 meters (Suitable for Diving)