The Wristwatch 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 grey high-intensity titanium case, finished with zaratsu polished. It measures 43.8 mm across, 13.8 mm thick, 51.5 mm lug to lug, 150 g, 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 and ceramic diver watchesTitaniumDivers
Reference
Type
Diver
Price
$12,600 · approx (USD list)
Case diameter
43.8 mm
Thickness
13.8 mm
Lug-to-lug
51.5 mm
Water resistance
200 m
Weight
150 g (with bracelet)
Origin
Japan
Movement
Spring Drive
Caliber
Grand Seiko 9RA5
Power reserve
120 h
Complications
Date
Material
Titanium
Grade / type
High-intensity titanium
Colour
Grey
Hardness
Construction
Surface treatment
Zaratsu polished
Caseback
Titanium
Nickel-free
Yes
Bracelet / strap
High-intensity titanium bracelet
Matching bracelet
Standard
Crystal
Dual-curved sapphire, AR coated
Display back
No
Dial
Black (Kuroshio / Black Stream)
Lume
LumiBrite
Availability
Offered
Status
Current
High confidence Verified Jun 2026 Source: Monochrome / Fratello Maker / listing ↗
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Frequently asked questions

Is the Grand Seiko Evolution 9 Spring Drive Diver 200m (SLGA015) nickel-free?

Yes. Nothing nickel-bearing touches the skin: a grey high-intensity titanium case with a titanium caseback, plus a non-steel crown and bracelet and clasp. The Wristwatch Field Guide marks it nickel-free for whole-watch skin contact. If your allergy is severe, confirm the contact points with the maker.

What is the case material of the Grand Seiko Evolution 9 Spring Drive Diver 200m (SLGA015)?

The Grand Seiko Evolution 9 Spring Drive Diver 200m (SLGA015) has a grey high-intensity titanium case with a titanium caseback. This is confirmed against the maker spec.

What size is the Grand Seiko Evolution 9 Spring Drive Diver 200m (SLGA015)?

It is 43.8 mm in diameter, 13.8 mm thick, 51.5 mm lug to lug, and water resistant to 200 m.

How much does the Grand Seiko Evolution 9 Spring Drive Diver 200m (SLGA015) weigh?

About 150 g (w/ bracelet).

How much does the Grand Seiko Evolution 9 Spring Drive Diver 200m (SLGA015) cost, and is it available?

It is current-production and lists from $12,600.

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