The Titanium 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 proprietary high-intensity titanium case. At 112 g it sits among the heavier dress watches in the guide, and is priced well above the $643 median for the category. The maker states no nickel-bearing steel at any skin-contact point, across the case, caseback and bracelet.

All Grand Seiko watchesWatch dress watchesLightest, rankedOn a titanium braceletDisplay back
Price
$11,000
Material
Titanium
Grade / type
Proprietary High-Intensity Titanium
Weight
112 g (with bracelet)
Water resistance
100 m
Type
Dress
Case diameter
40.0 mm
Thickness
11.8 mm
Lug-to-lug
47.9 mm
Origin
Japan
Movement
Spring Drive (automatic)
Caliber
Caliber 9RA2
Power reserve
120 h
Complications
Time only
Colour
Grey
Surface treatment
None
Finish technology
Natural finish
Caseback
Titanium
Nickel-free
Maker states none
Bracelet / strap
High-intensity titanium bracelet
Matching bracelet
Standard
Crystal
Dual-curved sapphire, AR coated
Display back
Yes
Dial
Blue, Lake Suwa textured
Dial colours
Blue
Availability
Offered
Status
Current
Not published
Reference, Hardness, Construction, Lume
High confidence Verified Aug 2026 Source: Monochrome Maker ↗ Spec checksGrade Jul 2026Price Aug 2026Weight Jul 2026
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Frequently asked questions

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

On the maker's published specification, no nickel-bearing steel touches the skin: a proprietary high-intensity titanium case with a titanium caseback, plus a non-steel crown and bracelet and clasp. That is what the guide records rather than a test of the watch, so confirm the contact points with the maker before buying if you react to nickel.

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 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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