H76409140Ref

The Hamilton Khaki Aviation Pilot Pioneer Mechanical Chronograph H76409140 arrived in 2025, featuring a 40mm stainless steel case and the manual-wind H-51-Si caliber. Its sunburst Aviation Blue dial includes two sub-dials and Super-LumiNova markers, while the movement—a Valjoux 7753 derivative with a silicon balance spring—beats at 21,600 vph for 60 hours of power. The watch is water-resistant to 100 meters and protected by a sapphire crystal.