Hamilton H76645140 Khaki Aviation Converter AutoProduct Overview Be inspired every time you see the beautiful blue dial of the "Khaki Aviation Converter Auto" and soar to new heights. Pilots and urban adventurers can perform the necessary calculations and conversions for flight using the blue aviation slide rule that matches the dial. Equipped with the H 10 automatic movement featuring a Nivachron hairspring, it boasts a standard power reserve of 80 hours, ensuring excellent accuracy in any