HAMILTON KHAKI AVIATION PIONEER MECHANICAL CHRONO Mechanical | 40mm | H76409530

With a distinct vintage military aviation design, the Khaki Pilot Pioneer Mechanical Chronograph brings back the form and function of the chronographs issued to British Royal Air Force pilots in the 1970s. Rugged and reliable, the 40mm watch is powered by our exclusive hand-wound H-51-Si movement   Features WATCH Reference : H76409530Caliber : H-51-SiCollection : Khaki AviationMovement : MechanicalCase size : 40mmDial color : BlackCase material : Stainless steelCrystal : SapphireLug width : 22mmLining Tanning : MineralPower reserve : 60-hour power reserveWater Resistance : 10 bar (100m)/145 psi (328ft)Anti Reflection : YesSilicon Balance Spring : Yes BRACELET/STRAP Strap reference : H6000001151Strap type : Cow leatherBuckle type : H-BuckleBuckle width : 22mmTop Denotation : LeatherTop Species : CalfTop Tanning : VegetalLining Species : Cow   Movement H-51-SI The H-51-Si is a mechanical chronograph movement featuring a state-of-the-art balance spring made from the anti