Christopher Ward C63 Sealander GMT vs Rolex GMT-Master II

Both are gmt / travel watches — here's how the specs differ and which to pick.

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

Spec	Christopher Ward C63 Sealander GMT	Rolex GMT-Master II
Movement	Automatic	Automatic
Water resistance	150m	100m
Case size	39mm	40mm
Crystal	sapphire	sapphire
Style	GMT / travel	GMT / travel
Price tier	Upper	Premium

Which should you buy?

the Christopher Ward C63 Sealander GMT takes more water (150m) — the one to pick if you actually swim or dive
the Christopher Ward C63 Sealander GMT sits in the lower price tier (Upper) if budget leads

Where to buy

Check the Christopher Ward C63 Sealander GMT price on Amazon →

Check the Rolex GMT-Master II price on Amazon →

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's free 30-day trial includes free fast delivery and free returns — handy when sizing is a gamble. Start the free 30-day trial →

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 Christopher Ward C63 Sealander GMT and the Rolex GMT-Master II?
Both are gmt / travel watches. The Christopher Ward C63 Sealander GMT is automatic, 150m water resistance, 39mm, sapphire crystal; the Rolex GMT-Master II is automatic, 100m water resistance, 40mm, sapphire crystal.

Which has better water resistance, the Christopher Ward C63 Sealander GMT or the Rolex GMT-Master II?
The Christopher Ward C63 Sealander GMT, rated 150m, versus 100m on the other. Pick 100m or higher for swimming and 200m+ for diving.

Which is better value, the Christopher Ward C63 Sealander GMT or the Rolex GMT-Master II?
The Christopher Ward C63 Sealander GMT 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 gmt / travel comparisons: Baltic Aquascaphe GMT vs Christopher Ward C63 Sealander GMT · Baltic Aquascaphe GMT vs Christopher Ward C65 Trident GMT · Rolex GMT-Master II vs Tudor Black Bay GMT · Rolex GMT-Master II vs Longines Spirit Zulu Time · all gmt / travel watches · all comparisons