Swiss Chronograph/Movement Model Number 18514 GRRC 13 E Case and Crown Material: 316L stainless steel Plating IPR Plating Band Rubber/Genuine Leather Case Water Resistant 100 Meters / 10 ATM Case Diameter 42mm Glass Hardlex Mineral Crystal Dial Black with stainless steel back Buckle with HMSD (Hour, Minute, Second, Date)