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Seiko
Prospex SPB143
Best valueFrom $600
A modern classic diver with great proportions and Seiko character.
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Overview
The SPB143 is a fan-favourite in Seiko’s mid-range: strong case shape, great everyday wearability, and a proper diver vibe without being oversized.
Specs
Movement
Automatic
Case size
40.5 mm
Water resistance
200 m
Material
Stainless steel
Crystal
Sapphire
Strap / Bracelet
Bracelet/Strap
Power reserve
70 hrs
AI Review
Verdict: If you want a ‘real’ dive watch with personality that still works as a daily, SPB143 is a strong pick.
Pros
- Great proportions
- Looks more expensive than it is
- Huge strap/bracelet flexibility
Cons
- Accuracy varies by example
- Lume/finishing varies vs luxury brands
Best for
- Everyday diver
- First ‘proper’ dive watch
- Seiko fans
Best places to buy
(Manual snapshot for now — later we can wire up live UK price sources.)