Small and mighty, the Hamilton Khaki Field Mechanical is the ultimate companion when you're out in the field. Housed in a 38 mm stainless steel case, the cool blue dial features striking white indexes and a Super-LumiNova® coating for optimal legibility. Thanks to its durable NATO strap, the Khaki Field Mechanical is a faithful recreation of its original 1960s forebear and is true to Hamilton’s military heritage.Caliber : H-50Collection : Khaki FieldMovement : MechanicalCase size : 38mmThickness (mm) : 9.5Dial color : BlueCase material : Stainless steelCrystal : SapphireLug width : 20mmPower reserve : 80 hourWater Resistance : 5 bar (50m)/73 psi (164ft)Nivachron : YesReference : H69439940