Hamilton Khaki Field Auto vs Rolex Explorer

Both are field watches. In short: the Hamilton Khaki Field Auto wears 42mm vs the Rolex Explorer's 40mm — choose by wrist size. The Hamilton Khaki Field Auto is automatic, 100m water resistance, 42mm, sapphire crystal; the Rolex Explorer is automatic, 100m 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 Field Auto	Rolex Explorer
Movement	Automatic	Automatic
Water resistance	100m	100m
Case size	42mm	40mm
Crystal	sapphire	sapphire
Style	Field / explorer	Field / explorer
Price tier	Upper	Premium

Which should you buy?

The Hamilton Khaki Field Auto wears 42mm vs the Rolex Explorer's 40mm — choose by wrist size
The Hamilton Khaki Field Auto sits in the lower price tier (Upper) if budget leads

Where to buy

Hamilton Khaki Field AutoSee price on AmazonCheck price

Rolex ExplorerSee price on AmazonCheck price

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FAQ

What's the difference between the Hamilton Khaki Field Auto and the Rolex Explorer?
Both are field watches. The Hamilton Khaki Field Auto is automatic, 100m water resistance, 42mm, sapphire crystal; the Rolex Explorer is automatic, 100m water resistance, 40mm, sapphire crystal.

Which is better value, the Hamilton Khaki Field Auto or the Rolex Explorer?
The Hamilton Khaki Field Auto 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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