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Lorier Neptune vs Seiko Prospex Solar Tuna SNE575

Both are dive watches in the mid 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

SpecLorier NeptuneSeiko Prospex Solar Tuna SNE575
MovementAutomaticSolar / light-powered
Water resistance200m200m
Case size39mm47mm
Crystalacrylichardlex
StyleDiveDive
Price tierMidMid

Which should you buy?

Where to buy

Check the Lorier Neptune price on Amazon →

Check the Seiko Prospex Solar Tuna SNE575 price on Amazon →

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FAQ

What's the difference between the Lorier Neptune and the Seiko Prospex Solar Tuna SNE575?
Both are dive watches in the mid tier. The Lorier Neptune is automatic, 200m water resistance, 39mm, acrylic crystal; the Seiko Prospex Solar Tuna SNE575 is solar / light-powered, 200m water resistance, 47mm, hardlex crystal.

Which is better value, the Lorier Neptune or the Seiko Prospex Solar Tuna SNE575?
Both sit in the mid tier, so it comes down to movement, water resistance and case size — see the spec table above.

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