Combine The Precision Of A High End Timepiece With The Elegance Of An Assault Rifle And You Get The Breed Arnold. Arnolds Massive 51mm Titanium Finished 316L Surgical Steel Body Houses A Quartz Professional Chronograph Movement; Complete With Date Indicator; And Luminous Hands. Between Its Scratch Preventing Sapphire Coated Mineral Crystal; Tapered Silicon Band; And 5ATM 50M 164FT Water Resistance Rating; This Watch Was Made For Action.