Khaki Aviation Pilot Day Date Auto Automatic | 42mm | H64615135How it felt to be an early aviator, a pioneering pilot flying an airplane at the turn of the twentieth century is something that cant be recreated, but Hamilton can give you the look created using modern materials including stainless steel and sapphire crystal. Add an automatic movement and a perfectly proportioned 42mm case for a new take on a vintage timepiece. Specifications ReferenceH64615135 CaliberH 40 CollectionKhaki Aviation MovementAutomatic