Hamilton Khaki Aviation Khaki Aviation Pilot Pioneer Mechanical Chronograph Stainless Steel / Blue

Reference H76409540

About this watch

The Hamilton Khaki Aviation Pilot Pioneer Mechanical Chronograph H76409540 debuted in 2025. This watch has a stainless steel case of 40mm, which houses the hand-wound caliber H-51-Si. The dial is Aviation Blue with a sunburst finish, paired with two counters and Super-LumiNova coated hands and indexes. The H-51-Si movement is based on the Valjoux 7753 architecture, adapted for manual winding and upgraded with a silicon balance spring. It beats at a frequency of 21,600 vph and offers a power reserve of 60 hours. The case is fitted with a sapphire crystal and is water resistant up to 100 meters.
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Specifications

Brand
Hamilton
Family
Khaki Aviation
Model
Khaki Aviation Pilot Pioneer Mechanical Chronograph Stainless Steel / Blue
Reference
H76409540
Movement
h-51-si
Movement Features
  • Hours, Minutes, Small Seconds
  • Chronograph
Case
Stainless Steel 41mm
Dial Color
Blue
Crystal
Sapphire
Water Resistance
100