Lorier Neptune vs Seiko Prospex Samurai SRPB51
Both are dive watches in the mid tier — here's how the specs differ and which to pick.
| Spec | Lorier Neptune | Seiko Prospex Samurai SRPB51 |
|---|---|---|
| Movement | Automatic | Automatic |
| Water resistance | 200m | 200m |
| Case size | 39mm | 43.8mm |
| Crystal | acrylic | hardlex |
| Style | Dive | Dive |
| Price tier | Mid | Mid |
Which should you buy?
- the Seiko Prospex Samurai SRPB51 has a hardlex crystal — more scratch-resistant for daily wear
- the Lorier Neptune wears 39mm vs the Seiko Prospex Samurai SRPB51's 43.8mm — choose by wrist size
Where to buy
Check the Lorier Neptune price on Amazon →
Check the Seiko Prospex Samurai SRPB51 price on Amazon →
FAQ
What's the difference between the Lorier Neptune and the Seiko Prospex Samurai SRPB51?
Both are dive watches in the mid tier. The Lorier Neptune is automatic, 200m water resistance, 39mm, acrylic crystal; the Seiko Prospex Samurai SRPB51 is automatic, 200m water resistance, 43.8mm, hardlex crystal.
Which is better value, the Lorier Neptune 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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