Tachymeter Scale Bezel, Brushed and Polished Stainless Steel Case with Bracelet, Luminous Silver Hands and Stick Hour Markers on a Black Dial, Minute Markers Around Outer Rim, 3 Sub-dials (Date, Small Seconds, 12 Hours, 30 Minute), Date Display Between 4-5 O'clock, Swiss Automatic Chronograph Movement powered by Hamilton Calibre H-31 Engine with 60 Hour Power Reserve, Scratch Resistant Sapphire Crystal, Unique Case Shape, Screw Down Crown, 42mm Diameter Case (15.2mm thick) and See-Through Case Construction, Water Resistant to 100 Meters / 330 Feet.