The Titanium Field Guide

Seiko Prospex Shogun SPB189

SPB189 / SBDC129

The Seiko Prospex Shogun SPB189 is a current-production diver watch with a Titanium (Super Titanium) case, finished with super-hard coating. It measures 43.5 mm across, 13.3 mm thick, 51 mm lug to lug, and is water resistant to 200 m. Inside is the Seiko 6R35 automatic movement, with 70 h power reserve. Complications: Date. Priced from $1,300 (approx). Brand origin: Japan.

Titanium diver watchesUnder $3,000
ReferenceSPB189 / SBDC129
TypeDiver
Price$1,300 · approx
Case diameter43.5 mm
Thickness13.3 mm
Lug-to-lug51 mm
Water resistance200 m
Weight–
OriginJapan
MovementAutomatic
CaliberSeiko 6R35
Power reserve70 h
ComplicationsDate
TitaniumTitanium (Super Titanium)
Surface treatmentSuper-hard coating
Nickel-freeYes
Bracelet / strapTitanium
CrystalSapphire
Display backNo
DialBlack
LumeLumiBrite
AvailabilityOffered
StatusCurrent
High confidence Verified 2026-06-22 Source: Seiko Maker / listing ↗
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