Seiko Prospex SPB143 vs Hamilton Khaki Navy Scuba
Both are dive watches in the upper tier. In short: the Seiko Prospex SPB143 takes more water (200m) — both are fine for swimming, but it has more margin if you dive. The Seiko Prospex SPB143 is automatic, 200m water resistance, 40.5mm, sapphire crystal; the Hamilton Khaki Navy Scuba is automatic, 100m water resistance, 40mm, sapphire crystal.
| Spec | Seiko Prospex SPB143 | Hamilton Khaki Navy Scuba |
|---|---|---|
| Movement | Automatic | Automatic |
| Water resistance | 200m | 100m |
| Case size | 40.5mm | 40mm |
| Crystal | sapphire | sapphire |
| Style | Dive | Dive |
| Price tier | Upper | Upper |
Which should you buy?
The Seiko Prospex SPB143 takes more water (200m) — both are fine for swimming, but it has more margin if you dive.
Where to buy
Seiko Prospex SPB143See price on AmazonCheck price
Hamilton Khaki Navy ScubaSee price on AmazonCheck price
FAQ
What's the difference between the Seiko Prospex SPB143 and the Hamilton Khaki Navy Scuba?
Both are dive watches in the upper tier. The Seiko Prospex SPB143 is automatic, 200m water resistance, 40.5mm, sapphire crystal; the Hamilton Khaki Navy Scuba is automatic, 100m water resistance, 40mm, sapphire crystal.
Which has better water resistance, the Seiko Prospex SPB143 or the Hamilton Khaki Navy Scuba?
The Seiko Prospex SPB143, rated 200m, versus 100m on the other. Pick 100m or higher for swimming and 200m+ for diving.
Which is better value, the Seiko Prospex SPB143 or the Hamilton Khaki Navy Scuba?
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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