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Seiko Prospex Samurai SRPB51 vs Traska Freediver

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 Samurai SRPB51Traska Freediver
MovementAutomaticAutomatic
Water resistance200m200m
Case size43.8mm40mm
Crystalhardlexsapphire
StyleDiveDive
Price tierMidMid

Which should you buy?

Where to buy

Check the Seiko Prospex Samurai SRPB51 price on Amazon →

Check the Traska Freediver price on Amazon →

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FAQ

What's the difference between the Seiko Prospex Samurai SRPB51 and the Traska Freediver?
Both are dive watches in the mid tier. The Seiko Prospex Samurai SRPB51 is automatic, 200m water resistance, 43.8mm, hardlex crystal; the Traska Freediver is automatic, 200m water resistance, 40mm, sapphire crystal.

Which is better value, the Seiko Prospex Samurai SRPB51 or the Traska Freediver?
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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