The Wristwatch Field Guide

Grand Seiko Evolution 9 Spring Drive 5 Days Lake Suwa (SLGA019)

The Grand Seiko Evolution 9 Spring Drive 5 Days Lake Suwa (SLGA019) is a current-production dress watch with a grey proprietary high-intensity titanium case. It measures 40.0 mm across, 11.8 mm thick, 47.9 mm lug to lug, 112 g, and is water resistant to 100 m. Inside is the Caliber 9RA2 spring drive (automatic) movement, with 120 h power reserve. Complications: Time only. Priced from $11,000 (MSRP). Brand origin: Japan.

Titanium and ceramic dress watchesTitaniumDisplay back
Reference
Type
Dress
Price
$11,000 · MSRP
Case diameter
40.0 mm
Thickness
11.8 mm
Lug-to-lug
47.9 mm
Water resistance
100 m
Weight
112 g (with bracelet)
Origin
Japan
Movement
Spring Drive (automatic)
Caliber
Caliber 9RA2
Power reserve
120 h
Complications
Time only
Material
Titanium
Grade / type
Proprietary High-Intensity Titanium
Colour
Grey
Hardness
Construction
Surface treatment
None
Caseback
Titanium
Nickel-free
Yes
Bracelet / strap
High-intensity titanium bracelet
Matching bracelet
Standard
Crystal
Dual-curved sapphire, AR coated
Display back
Yes
Dial
Blue, Lake Suwa textured
Lume
Availability
Offered
Status
Current
High confidence Verified Jul 2026 Source: Monochrome Maker / listing ↗
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Frequently asked questions

Is the Grand Seiko Evolution 9 Spring Drive 5 Days Lake Suwa (SLGA019) nickel-free?

Yes. Nothing nickel-bearing touches the skin: a grey proprietary 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 5 Days Lake Suwa (SLGA019)?

The Grand Seiko Evolution 9 Spring Drive 5 Days Lake Suwa (SLGA019) has a grey proprietary 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 5 Days Lake Suwa (SLGA019)?

It is 40.0 mm in diameter, 11.8 mm thick, 47.9 mm lug to lug, and water resistant to 100 m.

How much does the Grand Seiko Evolution 9 Spring Drive 5 Days Lake Suwa (SLGA019) weigh?

About 112 g (w/ bracelet).

How much does the Grand Seiko Evolution 9 Spring Drive 5 Days Lake Suwa (SLGA019) cost, and is it available?

It is current-production and lists from $11,000.

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