Swiss Movement/Chronograph Water Resistant 100 Meters / 10 ATM Case Diameter 42mm Case & Crown Material 316L Stainless Steel Model Number 6703 GSMC 03 GR-42MM Stainless steel case with IPS plating band Stainless steel on the back Black Mineral Crystal Dial in Glass Hardlex Hour, Minute, Second, Day, and Date (HMSDD)