Hamilton Khaki Aviation Pioneer Mechanical Chrono 40mm H76409540

Robust and reliable, the Khaki Pilot Pioneer Mechanical Chronograph pays homage to Hamilton's vintage military aviation watches. Powered by the exclusive H-51-Si hand-wound movement, this watch boasts a 60-hour power reserve and a captivating aviation blue dial with a sunray finish.

Mechanical | 40mm | H76409540

Movement: Mechanical

Functions: Chronograph and power reserve indicator

Case: Stainless steel
Case diameter: 40 mm
Thickness: 14.35 mm
Dial: Blue
Crystal: Sapphire with anti-reflective coating
Water resistance: 10 bar (100 meters)

Power reserve: 60 hours
Silicon balance spring: Yes
Super-LumiNova: Yes

Lug width: 22 mm

Strap: Cowhide leather
Strap reference: H6000001981
Buckle type: H-Buckle
Buckle width: 22 mm

Status: Current collection.

H-51-Si

The H-51-Si is a mechanical chronograph movement featuring a cutting-edge balance spring made of silicon, an antimagnetic material, for increased resistance to extreme weather conditions. With an extended power reserve of 60 hours, this hand-wound calibre tells and measures time via an iconic dial complete with start/stop and reset pushers. Free of a rotor and date function, this interactive movement combines modern reliability and precision with an exclusive vintage-inspired design.