Which is better for swimming and diving?

The C60 Trident Pro 300, with 300m water resistance against the Kamasu's 200m. Both have screw-down crowns and sapphire crystals, so either handles pool and recreational diving.

Is the Christopher Ward worth the extra money?

If you want 300m rating, a ceramic bezel and a slimmer case in your choice of four sizes, yes. The Kamasu gives you sapphire and a Japanese automatic for about $253, so the gap buys build and specs, not basic function.

Which wears smaller on the wrist?

The C60 at 11.5mm thick and 49.3mm lug-to-lug, and you can pick a 38mm case. The Kamasu is 41.8mm across with a thicker diver profile.

Which has the better movement?

They are close. The Sellita SW200-1 runs at 4Hz with 38 hours of reserve; the Orient F6922 runs at 3Hz with 40 hours. The Sellita is a Swiss design with wide parts and service support.

Both are built to last decades with servicing. The C60's ceramic bezel resists scratches better than the Kamasu's steel insert, and its higher water resistance gives more margin.

Does the Kamasu have a sapphire crystal?

Yes. The RA-AA0001B uses sapphire crystal, which is unusual at its price and matches the C60.

Christopher Ward C60 Trident Pro 300 Automatic vs Orient Kamasu Automatic Diver RA-AA0001B

The C60 Trident Pro 300 is the better watch: 300m water resistance, a ceramic bezel, a 38-hour Sellita SW200-1, and a slim 11.5mm case in four sizes from 38 to 44mm. The Kamasu is the value pick at about $253, with sapphire crystal, a 40-hour in-house F6922 and 200m rating, but a steel bezel insert and a larger 41.8mm case. Buy the Christopher Ward if you want the slimmer, tougher diver and can spend more; buy the Orient if budget rules.

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