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Hamilton Khaki Aviation Khaki Pilot Pioneer Auto Chrono
Case
- Diameter
- 41mm
- Thickness
- 16mm
- Lug width
- 22mm
- Material
- Stainless Steel
- Water resistance
- 100m
Crystal & dial
- Crystal
- Sapphire
- Dial colour
- Beige
Movement
- Caliber
- Hamilton H-31
- Type
- Automatic
- Power reserve
- 60h
- Hacking
- No
- Hand-winding
- No
- Complications
- Time only
Hamilton
Hamilton's automatic chronograph caliber, based on the Valjoux/ETA 7750, running at 28,800 vph with the base 7750's power reserve of around 44 hours. It powers Hamilton chronographs such as the Intra-Matic Auto Chrono and Khaki Aviation lines (the separate H-21 caliber is the 60-hour extended-reserve version).
Design language
- Case shape
- round
- Dial style
- matte
- Sub-dials
- 2
- Bezel
- fixed
- Bracelet
- lug-attached
- Hands
- baton
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Khaki Aviation Khaki Pilot Pioneer Auto Chrono collection · 18 watches
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Owners widely praise the Hamilton Khaki Aviation Khaki Pilot Pioneer Auto Chrono for its excellent dial legibility and unique, vintage-inspired design, with some noting its thinness and 72-hour power reserve. Reviewers highlight its charismatic, function-forward military aesthetic and attractive dial execution. The watch is considered a wise starting point for a chronograph under $2,000, with observed accuracy around +/- 4 seconds per day and a 60-hour power reserve. Some owners find the non-screw-down crown limits water confidence, and one reviewer notes the mineral crystal scratches more easily than sapphire. The price is considered a bit punchy by one source. On balance, owners and reviewers rate the Hamilton Khaki Aviation Khaki Pilot Pioneer Auto Chrono highly for its handsome, utilitarian design and value.
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