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Seiko 5 Sports GMT SSK001 vs Baltic Aquascaphe GMT

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

Last verified 2026-06-11 · specs from manufacturer data · tier = price band, confirm the live price at the retailer

SpecSeiko 5 Sports GMT SSK001Baltic Aquascaphe GMT
MovementAutomaticAutomatic
Water resistance100m100m
Case size42.5mm39mm
Crystalhardlexsapphire
StyleGMT / travelGMT / travel
Price tierMidUpper

Which should you buy?

Where to buy

Check the Seiko 5 Sports GMT SSK001 price on Amazon →

Check the Baltic Aquascaphe GMT price on Amazon →

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FAQ

What's the difference between the Seiko 5 Sports GMT SSK001 and the Baltic Aquascaphe GMT?
Both are gmt / travel watches. The Seiko 5 Sports GMT SSK001 is automatic, 100m water resistance, 42.5mm, hardlex crystal; the Baltic Aquascaphe GMT is automatic, 100m water resistance, 39mm, sapphire crystal.

Which is better value, the Seiko 5 Sports GMT SSK001 or the Baltic Aquascaphe GMT?
The Seiko 5 Sports GMT SSK001 is the lower-priced tier; the other steps up in build for more money — confirm both live prices at the retailer.

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