The Wristwatch Field Guide

Grand Seiko Evolution 9 Tentagraph (SLGC001)

The Grand Seiko Evolution 9 Tentagraph (SLGC001) is a current-production chronograph watch with a grey high-intensity titanium case, finished with zaratsu polished. It measures 43.2 mm across, 15.3 mm thick, 154 g, and is water resistant to 100 m. Inside is the Grand Seiko 9SC5 automatic hi-beat 36000 chronograph movement, with 72 h power reserve. Complications: Chronograph, Date. Priced from $13,700 (MSRP). Brand origin: Japan.

Titanium and ceramic chronograph watchesTitaniumDisplay back
Reference
Type
Chronograph
Price
$13,700 · MSRP
Case diameter
43.2 mm
Thickness
15.3 mm
Lug-to-lug
Water resistance
100 m
Weight
154 g (with bracelet)
Origin
Japan
Movement
Automatic Hi-Beat 36000 chronograph
Caliber
Grand Seiko 9SC5
Power reserve
72 h
Complications
Chronograph, 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
Yes
Dial
Black, 3-6-9 subdials
Lume
LumiBrite
Availability
Offered
Status
Current
High confidence Verified Jun 2026 Source: Monochrome / SJX Maker / listing ↗
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Frequently asked questions

Is the Grand Seiko Evolution 9 Tentagraph (SLGC001) 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 Tentagraph (SLGC001)?

The Grand Seiko Evolution 9 Tentagraph (SLGC001) 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 Tentagraph (SLGC001)?

It is 43.2 mm in diameter, 15.3 mm thick, and water resistant to 100 m.

How much does the Grand Seiko Evolution 9 Tentagraph (SLGC001) weigh?

About 154 g (w/ bracelet).

How much does the Grand Seiko Evolution 9 Tentagraph (SLGC001) cost, and is it available?

It is current-production and lists from $13,700.

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