Rolex Explorer vs Hamilton Khaki Field Titanium Auto

Both are field watches. In short: the Rolex Explorer wears 40mm vs the Hamilton Khaki Field Titanium Auto's 42mm — choose by wrist size. The Rolex Explorer is automatic, 100m water resistance, 40mm, sapphire crystal; the Hamilton Khaki Field Titanium Auto is automatic, 100m water resistance, 42mm, sapphire crystal.

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

Spec	Rolex Explorer	Hamilton Khaki Field Titanium Auto
Movement	Automatic	Automatic
Water resistance	100m	100m
Case size	40mm	42mm
Crystal	sapphire	sapphire
Style	Field / explorer	Field / explorer
Price tier	Premium	Upper

Which should you buy?

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

Where to buy

Rolex ExplorerSee price on AmazonCheck price

Hamilton Khaki Field Titanium AutoSee price on AmazonCheck price

As an Amazon Associate we earn from qualifying purchases, at no extra cost to you. Affiliate links never affect our specs or which watches we compare.

Ordering a watch? Amazon Prime includes fast delivery on eligible items, and eligible new members may be offered a free trial. Delivery speed and return terms vary by item, so check the listing when sizing is a gamble. See if you can try Prime free →

Affiliate link — we may earn a commission on qualifying sign-ups, at no extra cost to you. Current terms are on Amazon's page.

Neither of these quite right? Answer five questions — wrist size, what it's for, battery or automatic, whether it gets wet, budget — and see which of the 128 watches actually fit →

FAQ

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

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

More field comparisons: Seiko Alpinist SPB121 vs Hamilton Khaki Field Mechanical · Hamilton Khaki Field Mechanical vs Sinn 556 I · Vaer C5 Field vs Seiko 5 Sports Field SRPG35 · Vaer C5 Field vs Lorier Falcon · all field watches · all comparisons