The original soldier's watch gets an original upgrade with Hamilton's first-ever bronze case and white dial. Each Khaki Field Mechanical Bronze has a unique story that will unfold with each wear as its case develops a distinct patina over time. Powered by our exclusive hand-wound H-50 movement, fitted to a titanium case back and matched with a soft brown leather NATO strap, this authentic 38mm favorite celebrates Hamilton's military heritage with an eye towards the future. What story will your field watch tell? Features WATCH Reference : H69459510Caliber : H-50Collection : Khaki FieldMovement : MechanicalCase size : 38mmThickness (mm) : 9.6Dial color : WhiteCase material : Bronze and TitaniumCrystal : SapphireLug width : 20mmPower reserve : 80 hourWater Resistance : 5 bar (50m)/73 psi (164ft)Nivachron : Yes BRACELET/STRAP Strap reference : H6006941081Strap type : Calf leatherBuckle type : Pin buckleBuckle width : 20mm Movement H-50 The H-50 is an exclusive caliber specifically developed for our handwinding watches. The H-50 is available with or without a date function and has an extended power reserve of up to 80 hours, ensuring maximum reliability even when it is not wound for a few days.