Hamilton Khaki Aviation Pilot vs IWC Pilot's Watch Mark XVIII

Both are pilot watches. In short: the Hamilton Khaki Aviation Pilot takes more water (100m) — the one to pick if you swim. The Hamilton Khaki Aviation Pilot is automatic, 100m water resistance, 42mm, sapphire crystal; the IWC Pilot's Watch Mark XVIII is automatic, 50m water resistance, 40mm, sapphire crystal.

Last verified 2026-06-27 · specs from manufacturer data · tier = price band, confirm the live price at the retailer

Spec	Hamilton Khaki Aviation Pilot	IWC Pilot's Watch Mark XVIII
Movement	Automatic	Automatic
Water resistance	100m	50m
Case size	42mm	40mm
Crystal	sapphire	sapphire
Style	Pilot / aviation	Pilot / aviation
Price tier	Upper	Premium

Which should you buy?

The Hamilton Khaki Aviation Pilot takes more water (100m) — the one to pick if you swim
The Hamilton Khaki Aviation Pilot wears 42mm vs the IWC Pilot's Watch Mark XVIII's 40mm — choose by wrist size
The Hamilton Khaki Aviation Pilot sits in the lower price tier (Upper) if budget leads

Where to buy

Hamilton Khaki Aviation PilotSee price on AmazonCheck price

IWC Pilot's Watch Mark XVIIISee price on AmazonCheck price

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FAQ

What's the difference between the Hamilton Khaki Aviation Pilot and the IWC Pilot's Watch Mark XVIII?
Both are pilot watches. The Hamilton Khaki Aviation Pilot is automatic, 100m water resistance, 42mm, sapphire crystal; the IWC Pilot's Watch Mark XVIII is automatic, 50m water resistance, 40mm, sapphire crystal.

Which has better water resistance, the Hamilton Khaki Aviation Pilot or the IWC Pilot's Watch Mark XVIII?
The Hamilton Khaki Aviation Pilot, rated 100m, versus 50m on the other. Pick 100m or higher for swimming and 200m+ for diving.

Which is better value, the Hamilton Khaki Aviation Pilot or the IWC Pilot's Watch Mark XVIII?
The Hamilton Khaki Aviation Pilot is the lower-priced tier; the other steps up in build for more money — confirm both live prices at the retailer.

Citing these specs? Go ahead — manufacturer data, last verified 2026-06-27. Copy a ready-made reference:

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