Baltic Aquascaphe GMT vs Christopher Ward C63 Sealander GMT

Both are GMT watches in the upper tier. In short: the Christopher Ward C63 Sealander GMT takes more water (150m) — both are fine for swimming, but it has more margin if you dive. The Baltic Aquascaphe GMT is automatic, 100m water resistance, 39mm, sapphire crystal; the Christopher Ward C63 Sealander GMT is automatic, 150m water resistance, 39mm, sapphire crystal.

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

Spec	Baltic Aquascaphe GMT	Christopher Ward C63 Sealander GMT
Movement	Automatic	Automatic
Water resistance	100m	150m
Case size	39mm	39mm
Crystal	sapphire	sapphire
Style	GMT / travel	GMT / travel
Price tier	Upper	Upper

Which should you buy?

The Christopher Ward C63 Sealander GMT takes more water (150m) — both are fine for swimming, but it has more margin if you dive.

Where to buy

Baltic Aquascaphe GMTSee price on AmazonCheck price

Christopher Ward C63 Sealander GMTSee price on AmazonCheck price

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FAQ

What's the difference between the Baltic Aquascaphe GMT and the Christopher Ward C63 Sealander GMT?
Both are GMT watches in the upper tier. The Baltic Aquascaphe GMT is automatic, 100m water resistance, 39mm, sapphire crystal; the Christopher Ward C63 Sealander GMT is automatic, 150m water resistance, 39mm, sapphire crystal.

Which has better water resistance, the Baltic Aquascaphe GMT or the Christopher Ward C63 Sealander GMT?
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 Baltic Aquascaphe GMT or the Christopher Ward C63 Sealander GMT?
Both sit in the upper tier, so it comes down to movement, water resistance and case size — see the spec table above.

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

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