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Seiko Prospex Turtle SRPE vs Lorier Neptune

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

SpecSeiko Prospex Turtle SRPELorier Neptune
MovementAutomaticAutomatic
Water resistance200m200m
Case size45mm39mm
Crystalhardlexacrylic
StyleDiveDive
Price tierMidMid

Which should you buy?

Where to buy

Check the Seiko Prospex Turtle SRPE price on Amazon →

Check the Lorier Neptune price on Amazon →

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FAQ

What's the difference between the Seiko Prospex Turtle SRPE and the Lorier Neptune?
Both are dive watches in the mid tier. The Seiko Prospex Turtle SRPE is automatic, 200m water resistance, 45mm, hardlex crystal; the Lorier Neptune is automatic, 200m water resistance, 39mm, acrylic crystal.

Which is better value, the Seiko Prospex Turtle SRPE or the Lorier Neptune?
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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