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Seiko Prospex Shogun SPB189

SPB189 / SBDC129

The Seiko Prospex Shogun SPB189 is a 43.5 mm Super Titanium dive watch with a Seiko 6R35 automatic movement. The case is surface-hardened, which guards against the scuffs bare titanium picks up.

All Seiko watchesDiver watchesUnder $3,000Lightest, ranked
Price
$1,500
Material
Titanium
Grade / type
Titanium (Super Titanium)
Weight
121 g (with bracelet)
Water resistance
200 m
Reference
SPB189 / SBDC129
Type
Diver
Case diameter
43.5 mm
Thickness
13.3 mm
Lug-to-lug
51 mm
Origin
Japan
Movement
Automatic
Caliber
Seiko 6R35
Power reserve
70 h
Complications
Date
Colour
Grey
Surface treatment
Super-hard coating
Finish technology
Surface hardening
Nickel-free
Unconfirmed (contact-point materials not all confirmed)
Bracelet / strap
Titanium
Crystal
Sapphire
Display back
No
Dial
Black
Dial colours
Black
Lume
LumiBrite
Availability
Offered
Status
Current
Not published
Hardness, Construction, Caseback, Matching bracelet
High confidence Verified Jul 2026 Source: Seiko
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More watches from Seiko

Seiko Prospex Shogun Titanium (SPB191)SeikoProspex Shogun Titanium (SPB191)$1,20043.5 mm13.3 mm thick99 gDiver
SeikoProspex "Cave Diver" Shogun Titanium (SPB349)$1,50043.5 mmDiverSeiko Prospex SeikoProspex "Cave Diver" Shogun Titanium (SPB351)$1,50043.5 mmDiver
SeikoProspex "Cave Diver" Shogun Titanium (SPB357)$1,50043.0 mmDiverSeiko Prospex Marinemaster Professional 600m Titanium (SBDX067)SeikoProspex Marinemaster Professional 600m Titanium (SBDX067)$4,60045.4 mmDiverSeiko Prospex LX Line Spring Drive GMT Titanium (SNR035)SeikoProspex LX Line Spring Drive GMT Titanium (SNR035)$5,25044.8 mmOther

Frequently asked questions

What grade of titanium is the Seiko Prospex Shogun SPB189?

The maker confirms titanium but does not publish a grade. The maker calls the material Super Titanium.

What size is the Seiko Prospex Shogun SPB189?

The case is 43.5 mm across, 13.3 mm thick and 51 mm from lug to lug. It is water resistant to 200 m.

How much does the Seiko Prospex Shogun SPB189 weigh?

About 121 g on its bracelet.

How much does the Seiko Prospex Shogun SPB189 cost, and is it available?

It is in production, at a list price of $1,500.

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