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Citizen Promaster Skyhawk A-T JY8078 vs Sinn 104

Both are pilot / aviation watches in the upper tier — 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

SpecCitizen Promaster Skyhawk A-T JY8078Sinn 104
MovementSolar / light-poweredAutomatic
Water resistance200m200m
Case size46mm41mm
Crystalmineralsapphire
StylePilot / aviationPilot / aviation
Price tierUpperUpper

Which should you buy?

Where to buy

Check the Citizen Promaster Skyhawk A-T JY8078 price on Amazon →

Check the Sinn 104 price on Amazon →

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FAQ

What's the difference between the Citizen Promaster Skyhawk A-T JY8078 and the Sinn 104?
Both are pilot / aviation watches in the upper tier. The Citizen Promaster Skyhawk A-T JY8078 is solar / light-powered, 200m water resistance, 46mm, mineral crystal; the Sinn 104 is automatic, 200m water resistance, 41mm, sapphire crystal.

Which is better value, the Citizen Promaster Skyhawk A-T JY8078 or the Sinn 104?
Both sit in the upper tier, so it comes down to movement, water resistance and case size — see the spec table above.

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