SpecStudio
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Seiko 5M43-0B30
Ref. SKJ045P1 · Diver
Stock unknown
Case
- Diameter
- 42mm
- Lug-to-lug
- 48mm
- Lug width
- 22mm
- Material
- Titanium
- Water resistance
- 200m
Crystal & dial
- Crystal
- Sapphire
- Dial colour
- Grey
Movement
- Caliber
- Seiko 5M43
- Type
- Quartz
Kinetic collection · 2 watches
The market
Market prices.
RetailNot listed
No forum listings recorded for this watch yet.
Retail stock & market context
Seiko on the secondhand market
+8.1%
2026 so far · +3.6% to +12.7% · 80 matched watches
In line with the index
Divers as a group: +6.3% · 305 matched watches
Year-by-year readings →The connection engine
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The community take
Owners talk.
In a nutshell
The Seiko 5M43-0B30 (ref. SKJ045P1) is a quartz diver watch, with a 42mm titanium case, powered by the Seiko 5M43 movement. Water resistance is rated to 200m, under a sapphire crystal.
On real wrists
No shots yet. Show how it wears.
The paper trail
The discussion