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Orient Kamasu vs Seiko Prospex King Turtle SRPE05

Both are dive watches in the mid tier — 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

SpecOrient KamasuSeiko Prospex King Turtle SRPE05
MovementAutomaticAutomatic
Water resistance200m200m
Case size41.8mm45mm
Crystalsapphiresapphire
StyleDiveDive
Price tierMidMid

Which should you buy?

Where to buy

Check the Orient Kamasu price on Amazon →

Check the Seiko Prospex King Turtle SRPE05 price on Amazon →

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FAQ

What's the difference between the Orient Kamasu and the Seiko Prospex King Turtle SRPE05?
Both are dive watches in the mid tier. The Orient Kamasu is automatic, 200m water resistance, 41.8mm, sapphire crystal; the Seiko Prospex King Turtle SRPE05 is automatic, 200m water resistance, 45mm, sapphire crystal.

Which is better value, the Orient Kamasu or the Seiko Prospex King Turtle SRPE05?
Both sit in the mid tier, so it comes down to movement, water resistance and case size — see the spec table above.

Citing these specs? Go ahead — manufacturer data, last verified 2026-06-27. Copy a ready-made reference:

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