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Seiko Prospex SPB143 vs Christopher Ward C60 Trident

Both are dive 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

SpecSeiko Prospex SPB143Christopher Ward C60 Trident
MovementAutomaticAutomatic
Water resistance200m300m
Case size40.5mm40mm
Crystalsapphiresapphire
StyleDiveDive
Price tierUpperUpper

Which should you buy?

Where to buy

Check the Seiko Prospex SPB143 price on Amazon →

Check the Christopher Ward C60 Trident price on Amazon →

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FAQ

What's the difference between the Seiko Prospex SPB143 and the Christopher Ward C60 Trident?
Both are dive watches in the upper tier. The Seiko Prospex SPB143 is automatic, 200m water resistance, 40.5mm, sapphire crystal; the Christopher Ward C60 Trident is automatic, 300m water resistance, 40mm, sapphire crystal.

Which has better water resistance, the Seiko Prospex SPB143 or the Christopher Ward C60 Trident?
The Christopher Ward C60 Trident, rated 300m, versus 200m on the other. Pick 100m or higher for swimming and 200m+ for diving.

Which is better value, the Seiko Prospex SPB143 or the Christopher Ward C60 Trident?
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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