Hamilton Khaki Aviation Pioneer Mechanical Chrono 40mm H76409140

Rugged and reliable, the KhakiPilot Pioneer Mechanical Chronograph pays homage to Hamilton's vintage military aviation watches. Powered by the exclusive H-51-Si manual-winding movement, this timepiece boasts a 60-hour power reserve and an eye-catching aviation blue dial with a sunburst finish.

Mechanical | 40mm | H76409140

• Movement : Mechanical

• Watch functions : Power reserve, Chronograph

• Case diameter : 40 mm

• Case thickness : 14.35 mm

• Dial color : Blue

• Case material : Steel

• Glass : Sapphire

• Lug width : 22 mm

• Power reserve : 60 hours

• Status : Current collection

• Water resistance : 10 bar (100 m)

• Anti-reflective coating : Yes

• Super-Luminova : Yes

• Silicon spiral : Yes

• Strap reference : H6050000251

• Strap Type : Steel

• Buckle Type : Folding Buckle

• Buckle width : 22 mm

H-51-Yes

The H-51-Si is a mechanical chronograph movement featuring a cutting-edge balance spring crafted from silicon, an anti-magnetic material, for enhanced resistance to extreme weather conditions. With an extended 60-hour power reserve, this manually wound caliber marks and measures time via an iconic dial complete with start/stop and reset buttons. Rotor-less and without a date function, this interactive movement combines modern reliability and precision with a unique, vintage-inspired design.