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Hamilton Khaki Field Mechanical vs Hamilton Khaki Field Auto

Both are field / explorer watches in the upper tier — here's how the specs differ and which to pick.

Last verified 2026-06-11 · specs from manufacturer data · tier = price band, confirm the live price at the retailer

SpecHamilton Khaki Field MechanicalHamilton Khaki Field Auto
MovementHand-woundAutomatic
Water resistance50m100m
Case size38mm42mm
Crystalsapphiresapphire
StyleField / explorerField / explorer
Price tierUpperUpper

Which should you buy?

Where to buy

Check the Hamilton Khaki Field Mechanical price on Amazon →

Check the Hamilton Khaki Field Auto price on Amazon →

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FAQ

What's the difference between the Hamilton Khaki Field Mechanical and the Hamilton Khaki Field Auto?
Both are field / explorer watches in the upper tier. The Hamilton Khaki Field Mechanical is hand-wound, 50m water resistance, 38mm, sapphire crystal; the Hamilton Khaki Field Auto is automatic, 100m water resistance, 42mm, sapphire crystal.

Which has better water resistance, the Hamilton Khaki Field Mechanical or the Hamilton Khaki Field Auto?
The Hamilton Khaki Field Auto, rated 100m, versus 50m on the other. Pick 100m or higher for swimming and 200m+ for diving.

Which is better value, the Hamilton Khaki Field Mechanical or the Hamilton Khaki Field Auto?
Both sit in the upper tier, so it comes down to movement, water resistance and case size — see the spec table above.

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