Hamilton Khaki Aviation Khaki Pilot Auto Chrono

Reference H64666135

About this watch

The Hamilton Khaki Pilot Auto Chrono (H64666135) stands out as a remarkable option for those who combine functionality with a classic aesthetic. Its aviation heritage, robust design, and precision movement make it a timepiece that appeals to both watch enthusiasts and everyday wearers alike. At the heart of this watch lies the Hamilton caliber H-31, a movement known for its reliability and precision, boasting an impressive 60-hour power reserve. The Khaki Pilot Auto Chrono features a chronograph complication, allowing you to time events with precision, combined with the date display, making it incredibly practical. With a diameter of 42 mm and a height of 16 mm, it strikes the perfect balance—bold yet not overwhelming. Equipped with sapphire crystal and an open case back, this watch is resistant to scratches and water up to 200 meters, making it a versatile companion for any occasion.
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Key Features

  • Hamilton Caliber H-31 Movement
  • Chronograph Complication
  • Date Display
  • Sapphire Crystal
  • Water Resistance Up to 200 Meters
  • Open Case Back
  • 42 mm Diameter and 16 mm Height

Specifications

Brand
Hamilton
Family
Khaki Aviation
Model
Khaki Pilot Auto Chrono
Reference
H64666135
Movement
h-31
Movement Features
  • Hours, Minutes, Small Seconds
  • Date
  • Chronograph
Case
Stainless Steel 42mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
200

Current Listings

[WTS] Hamilton Khaki Aviation Auto 42mm H766650 $700 Shipped

Hamilton Khaki Aviation Auto 42mm H766650 $700 Shipped

Hamilton - H766650 · $700
A Hamilton Khaki Aviation Automatic Watch with a black dial and stainless steel case.

  • Condition: Pre-owned
  • Case diameter: 42mm
  • Thickness: 11.1mm
  • Dial color: Black
Posted at
Dec 18, 2025, 9:12 PM
Active
[WTS] Hamilton. Khaki Aviation Pilot Pioneer. Ref - H76205530

Hamilton. Khaki Aviation Pilot Pioneer. Ref - H76205530

Hamilton - H76205530 · $700
This Hamilton Khaki Aviation Pilot Pioneer is a lightly used timepiece with 4 months of factory warranty remaining.

  • Condition: Lightly used, great condition
  • Warranty remaining: 4 months
Posted at
Dec 17, 2025, 3:23 PM
Active
[WTS] Hamilton Khaki Aviation Day Date Auto 42mm Ref: H64645531 BNIB!

Hamilton Khaki Aviation Day Date Auto 42mm Ref: H64645531 BNIB!

Hamilton - H64645531 · $750
This is a Hamilton Khaki Aviation Day Date Auto, a 42mm automatic watch with day and date features. It's brand new, still in its box, and comes with a full kit including outer and inner boxes, papers, warranty cards, and is covered under warranty from an authorized dealer.

  • Condition: Brand new, never worn (BNIB)
  • Case Size: 42mm
  • Movement Type: Automatic
Posted at
Dec 15, 2025, 10:51 PM
Active
[WTS] Hamilton Khaki Aviation Day Date Auto 42mm Ref: H64645531 BNIB Full kit in warranty from AD

Hamilton Khaki Aviation Day Date Auto 42mm Ref: H64645531 BNIB Full kit in warranty from AD

Hamilton - H64645531 · $800
The Hamilton Khaki Aviation Day Date Auto features a perfectly proportioned design with an extended power reserve of up to 80 hours. This allows the watch to keep ticking for almost two days without winding.

  • Condition: Brand new, never worn (BNIB)
  • Power reserve: up to 80 hours
  • Case size: 42mm diameter
  • Includes: outer box, inner box, papers, warranty cards, H-40
Posted at
Dec 14, 2025, 1:45 PM
Active
[WTS] Hamilton Khaki Aviation Pilot Pioneer Chrono Quartz – H76522131 – Full Set – Excellent

Hamilton Khaki Aviation Pilot Pioneer Chrono Quartz – H76522131 – Full Set – Excellent

Hamilton - H76522131 · $499
This Hamilton Khaki Aviation Pilot Pioneer Chrono Quartz is a stainless steel watch with a black dial and aviation-inspired layout. It features a quartz chronograph movement and comes in full set, including the original case, papers, and extra links.

  • Condition: Excellent, hardly worn by the original owner
  • Case material: stainless steel
  • Movement type: quartz chronograph
Posted at
Dec 13, 2025, 8:45 PM
Active
[WTS] Hamilton Khaki Aviation Day Date Auto 42mm Ref: H64645531 BNIB Full kit in warranty from AD

Hamilton Khaki Aviation Day Date Auto 42mm Ref: H64645531 BNIB Full kit in warranty from AD

Hamilton - H64645531 · $850
This Hamilton Khaki Aviation Day Date Auto features a 42mm case with an extended power reserve of up to 80 hours.

  • Condition: New, never worn (BNIB)
  • Power reserve: up to 80 hours
  • Case size: 42mm
Posted at
Dec 13, 2025, 6:30 PM
Active
[WTS] Hamilton Khaki Aviation Day Date Auto 42mm Ref: H64645531 BNIB!

Hamilton Khaki Aviation Day Date Auto 42mm Ref: H64645531 BNIB!

Hamilton - H64645531 · $875
The Hamilton Khaki Aviation Day Date Auto is a perfectly proportioned watch, featuring a 42mm case size. It comes with a full kit including outer and inner boxes, papers, dated warranty cards, and is still in warranty.

  • Condition: Brand new, never worn (BNIB)
  • Case size: 42mm
  • Movement: Automatic
Posted at
Dec 8, 2025, 1:32 PM
Active