Grand Seiko SLGH011
Ref. SLGH011 · In production
- Case40 mm
- Thick11.7 mm
- Lug-to-lug47 mm
- Water res.100 m
- MovementAutomatic
- CrystalSapphire
Overview
The Grand Seiko SLGH011 is a sports watch from the Evolution 9 collection. It has a 40 mm stainless steel case, 11.7 mm thick, 47 mm from lug to lug. Inside is a automatic movement (calibre 9SA5) with 80 h of power reserve. You also get 100 m water resistance, a sapphire crystal and a bracelet.
Who it suits
- Wrists of roughly 16.0–17.9 cm (6.3–7.0 in), by our Watch Finder sizing guide
- Everyday wear including swimming
- People who enjoy seeing a mechanical movement at work
Strengths
- Sapphire crystal resists scratches
- Screw-down crown helps keep water out
- 80 h power reserve survives a weekend off the wrist
- Display caseback shows the movement
Written by Watch.co from the published specs below. These are not owner reviews.
Full specifications
Case
| Case diameter | 40 mm | grand-seiko.com · 23 Oct 2026 |
|---|---|---|
| Thickness | 11.7 mm | grand-seiko.com · 23 Oct 2026 |
| Lug-to-lug | 47 mm | grand-seiko.com · 23 Oct 2026 |
| Case material | Stainless steel | grand-seiko.com · 23 Oct 2026 |
| Crystal | Sapphire | grand-seiko.com · 23 Oct 2026 |
| Anti-reflective coating | Anti-reflective coating on inner surface | grand-seiko.com · 23 Oct 2026 |
| Caseback | Display (see-through) | grand-seiko.com · 23 Oct 2026 |
| Water resistance | 100 m | grand-seiko.com · 23 Oct 2026 |
| Screw-down crown | Yes | grand-seiko.com · 23 Oct 2026 |
| Magnetic resistance | 4,800 A/m | grand-seiko.com · 23 Oct 2026 |
| Weight | 178 g | grand-seiko.com · 23 Oct 2026 |
Dial
| Date | Date | our classification |
|---|
Movement
| Movement type | Automatic | grand-seiko.com · 23 Oct 2026 |
|---|---|---|
| Calibre | 9SA5 | grand-seiko.com · 23 Oct 2026 |
| Made in-house | Yes | grand-seiko.com · 23 Oct 2026 |
| Power reserve | 80 h | grand-seiko.com · 23 Oct 2026 |
| Hand-winding | Yes | grand-seiko.com · 23 Oct 2026 |
Strap / Bracelet
| Bracelet / strap | Bracelet | grand-seiko.com · 23 Oct 2026 |
|---|---|---|
| Lug width | 22 mm | grand-seiko.com · 23 Oct 2026 |
Other
| US list price (MSRP) | $9,800 | grand-seiko.com · 23 Oct 2026 |
|---|---|---|
| Production status | In production | grand-seiko.com · 23 Oct 2026 |
| Style (our classification) | Sports | our classification |
Specs are summarised in our own words from the brand's product page. Each row links its source and the date we checked it. Fields we haven't verified are left out rather than guessed.
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Questions about the Grand Seiko SLGH011
How big is the Grand Seiko SLGH011?
The case is 40 mm wide, 11.7 mm thick and 47 mm from lug to lug.
What movement does the Grand Seiko SLGH011 use?
It uses the 9SA5 calibre, a automatic movement with 80 h of power reserve.
Can I swim with the Grand Seiko SLGH011?
Yes. It is rated to 100 m.
Does the Grand Seiko SLGH011 have a date?
Yes, it shows the date.
How much is the Grand Seiko SLGH011?
The US list price was $9,800 on grand-seiko.com when we checked on 23 Oct 2026. Prices change, so check before you buy.
Will the Grand Seiko SLGH011 fit my wrist?
By our sizing guide it sits best on wrists of about 16.0–17.9 cm (6.3–7.0 in). Use the fit checker on this page to test your own wrist.
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