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San Martin SN0123 GMT vs Mido Ocean Star GMT

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

SpecSan Martin SN0123 GMTMido Ocean Star GMT
MovementAutomaticAutomatic
Water resistance200m200m
Case size39mm44mm
Crystalsapphiresapphire
StyleGMT / travelGMT / travel
Price tierMidUpper

Which should you buy?

Where to buy

Check the San Martin SN0123 GMT price on Amazon →

Check the Mido Ocean Star GMT price on Amazon →

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FAQ

What's the difference between the San Martin SN0123 GMT and the Mido Ocean Star GMT?
Both are gmt / travel watches. The San Martin SN0123 GMT is automatic, 200m water resistance, 39mm, sapphire crystal; the Mido Ocean Star GMT is automatic, 200m water resistance, 44mm, sapphire crystal.

Which is better value, the San Martin SN0123 GMT or the Mido Ocean Star GMT?
The San Martin SN0123 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:

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