Grand Seiko SLGC007
Ref. SLGC007 · In production
- Case43.2 mm
- Thick15.3 mm
- Lug-to-lug51.5 mm
- Water res.100 m
- MovementAutomatic
- CrystalSapphire
Overview
The Grand Seiko SLGC007 is a chronograph watch from the Evolution 9 collection, part of the The Tentagraph family. It has a 43.2 mm high-intensity titanium case, 15.3 mm thick, 51.5 mm from lug to lug. Inside is a automatic movement (calibre 9SC5) with 72 h of power reserve. You also get 100 m water resistance, a sapphire crystal and a bracelet.
Who it suits
- Wrists of roughly 17.4–19.2 cm (6.9–7.6 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
- 72 h power reserve survives a weekend off the wrist
- Display caseback shows the movement
Trade-offs
- Thick at 15.3 mm: harder to slide under a cuff
- Long 51.5 mm lug-to-lug can overhang smaller wrists
Written by Watch.co from the published specs below. These are not owner reviews.
Full specifications
Case
| Case diameter | 43.2 mm | grand-seiko.com · 23 Oct 2026 |
|---|---|---|
| Thickness | 15.3 mm | grand-seiko.com · 23 Oct 2026 |
| Lug-to-lug | 51.5 mm | grand-seiko.com · 23 Oct 2026 |
| Case material | High-intensity titanium | 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 | 154 g | grand-seiko.com · 23 Oct 2026 |
Dial
| Luminous material | LumiBrite | grand-seiko.com · 23 Oct 2026 |
|---|---|---|
| Chronograph | Yes | our classification |
Movement
| Movement type | Automatic | grand-seiko.com · 23 Oct 2026 |
|---|---|---|
| Calibre | 9SC5 | grand-seiko.com · 23 Oct 2026 |
| Made in-house | Yes | grand-seiko.com · 23 Oct 2026 |
| Power reserve | 72 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 | 23 mm | grand-seiko.com · 23 Oct 2026 |
Other
| US list price (MSRP) | $14,700 | grand-seiko.com · 23 Oct 2026 |
|---|---|---|
| Production status | In production | grand-seiko.com · 23 Oct 2026 |
| Style (our classification) | Chronograph | 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.
Variants with the same specs
Same case, movement and bracelet or strap; typically a different dial or finish.
More in The Tentagraph
Similar alternatives
Picked with Watch Finder's style tags and sizing.
Questions about the Grand Seiko SLGC007
How big is the Grand Seiko SLGC007?
The case is 43.2 mm wide, 15.3 mm thick and 51.5 mm from lug to lug.
What movement does the Grand Seiko SLGC007 use?
It uses the 9SC5 calibre, a automatic movement with 72 h of power reserve.
Can I swim with the Grand Seiko SLGC007?
Yes. It is rated to 100 m.
How much is the Grand Seiko SLGC007?
The US list price was $14,700 on grand-seiko.com when we checked on 23 Oct 2026. Prices change, so check before you buy.
Will the Grand Seiko SLGC007 fit my wrist?
By our sizing guide it sits best on wrists of about 17.4–19.2 cm (6.9–7.6 in). Use the fit checker on this page to test your own wrist.
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