Orient Kamasu vs Seiko Prospex Samurai SRPB51
Both are dive watches in the mid tier — here's how the specs differ and which to pick.
| Spec | Orient Kamasu | Seiko Prospex Samurai SRPB51 |
|---|---|---|
| Movement | Automatic | Automatic |
| Water resistance | 200m | 200m |
| Case size | 41.8mm | 43.8mm |
| Crystal | sapphire | hardlex |
| Style | Dive | Dive |
| Price tier | Mid | Mid |
Which should you buy?
- the Orient Kamasu has a sapphire crystal — more scratch-resistant for daily wear
- the Orient Kamasu wears 41.8mm vs the Seiko Prospex Samurai SRPB51's 43.8mm — choose by wrist size
Where to buy
Check the Orient Kamasu price on Amazon →
Check the Seiko Prospex Samurai SRPB51 price on Amazon →
FAQ
What's the difference between the Orient Kamasu and the Seiko Prospex Samurai SRPB51?
Both are dive watches in the mid tier. The Orient Kamasu is automatic, 200m water resistance, 41.8mm, sapphire crystal; the Seiko Prospex Samurai SRPB51 is automatic, 200m water resistance, 43.8mm, hardlex crystal.
Which is better value, the Orient Kamasu or the Seiko Prospex Samurai SRPB51?
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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