Seiko Prospex SPB143 vs Tissot Seastar 1000
Both are dive watches in the upper tier — here's how the specs differ and which to pick.
| Spec | Seiko Prospex SPB143 | Tissot Seastar 1000 |
|---|---|---|
| Movement | Automatic | Automatic |
| Water resistance | 200m | 300m |
| Case size | 40.5mm | 43mm |
| Crystal | sapphire | sapphire |
| Style | Dive | Dive |
| Price tier | Upper | Upper |
Which should you buy?
- the Tissot Seastar 1000 takes more water (300m) — the one to pick if you actually swim or dive
- the Seiko Prospex SPB143 wears 40.5mm vs the Tissot Seastar 1000's 43mm — choose by wrist size
Where to buy
Check the Seiko Prospex SPB143 price on Amazon →
Check the Tissot Seastar 1000 price on Amazon →
FAQ
What's the difference between the Seiko Prospex SPB143 and the Tissot Seastar 1000?
Both are dive watches in the upper tier. The Seiko Prospex SPB143 is automatic, 200m water resistance, 40.5mm, sapphire crystal; the Tissot Seastar 1000 is automatic, 300m water resistance, 43mm, sapphire crystal.
Which has better water resistance, the Seiko Prospex SPB143 or the Tissot Seastar 1000?
The Tissot Seastar 1000, 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 Tissot Seastar 1000?
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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