The Titanium Field Guide

Grand Seiko Evolution 9 Spring Drive Diver 200m (SLGA015)

The Grand Seiko Evolution 9 Spring Drive Diver 200m (SLGA015) is a current-production diver watch with a High-intensity titanium case, finished with zaratsu polished. It measures 43.8 mm across, 13.8 mm thick, 51.5 mm lug to lug, and is water resistant to 200 m. Inside is the Grand Seiko 9RA5 spring drive movement, with 120 h power reserve. Complications: Date. Priced from $12,600 (approx (USD list)). Brand origin: Japan.

Titanium diver watches
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Reference–
TypeDiver
Price$12,600 · approx (USD list)
Case diameter43.8 mm
Thickness13.8 mm
Lug-to-lug51.5 mm
Water resistance200 m
Weight–
OriginJapan
MovementSpring Drive
CaliberGrand Seiko 9RA5
Power reserve120 h
ComplicationsDate
TitaniumHigh-intensity titanium
Surface treatmentZaratsu polished
Nickel-freeYes
Bracelet / strapHigh-intensity titanium bracelet
CrystalDual-curved sapphire, AR coated
Display backNo
DialBlack (Kuroshio / Black Stream)
LumeLumiBrite
AvailabilityOffered
StatusCurrent
High confidence Verified 2026-06-20 Source: Monochrome / Fratello Maker / listing ↗
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