Powered by the robust H-30 automatic movement, the Khaki Aviation Pilot Day Date accompanies you on every challenge with an 80-hour power reserve. Unwavering precision, even in the most demanding environments, is guaranteed by the Nivachron™ regulating spring, which defies magnetic fields to keep you always on time. The solid and sturdy 42mm stainless steel case protects the internal mechanism with tenacity. The scratch-resistant sapphire crystal ensures impeccable clarity of the dial, while the exhibition case back offers you the fascinating possibility of admiring the beauty of the automatic movement in action. With a water resistance of 10 bars (100m), this Hamilton watch accompanies you without worries in splashes, rain or accidental immersions. Likewise, the Khaki Aviation Pilot Day Date comes with a dark brown cowhide strap with a practical H-clasp.