Steinhart Ocean One vs Seiko Prospex King Turtle SRPE05
Both are dive watches in the mid tier — here's how the specs differ and which to pick.
| Spec | Steinhart Ocean One | Seiko Prospex King Turtle SRPE05 |
|---|---|---|
| Movement | Automatic | Automatic |
| Water resistance | 300m | 200m |
| Case size | 42mm | 45mm |
| Crystal | sapphire | sapphire |
| Style | Dive | Dive |
| Price tier | Mid | Mid |
Which should you buy?
- the Steinhart Ocean One takes more water (300m) — the one to pick if you actually swim or dive
- the Steinhart Ocean One wears 42mm vs the Seiko Prospex King Turtle SRPE05's 45mm — choose by wrist size
Where to buy
Check the Steinhart Ocean One price on Amazon →
Check the Seiko Prospex King Turtle SRPE05 price on Amazon →
FAQ
What's the difference between the Steinhart Ocean One and the Seiko Prospex King Turtle SRPE05?
Both are dive watches in the mid tier. The Steinhart Ocean One is automatic, 300m water resistance, 42mm, sapphire crystal; the Seiko Prospex King Turtle SRPE05 is automatic, 200m water resistance, 45mm, sapphire crystal.
Which has better water resistance, the Steinhart Ocean One or the Seiko Prospex King Turtle SRPE05?
The Steinhart Ocean One, rated 300m, versus 200m on the other. Pick 100m or higher for swimming and 200m+ for diving.
Which is better value, the Steinhart Ocean One 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.
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