Grand Seiko · Evolution 9
Grand Seiko Evolution 9 SLGC001 Tentagraph
Reference SLGC001G · Chronograph · 43.2 mm
Specifications
- Reference
- SLGC001G
- Family
- Evolution 9
- Category
- Chronograph
- Status
- Current
- Case material
- Titanium
- Case diameter
- 43.2 mm
- Case thickness
- 15.3 mm Official
- Lug-to-lug
- 51.5 mm Official
- Lug width
- 23 mm Official
- Water resistance
- 100 m
- Bezel
- —
- Calibre
- 9SC5 Official
- Power reserve
- about 72 h
Official product page · retrieved October 14, 2026
Does it fit your wrist?
Enter your wrist circumference. The watch appears to scale on the flat top of the wrist.
At the limit
Lug-to-lug 51.5 mm on a flat top of 54.1 mm: 96 % of the width.
Lug-to-lug is 95 to 100% of the flat top. The lugs reach the edge, so check your wrist shape.
Measurements and sources
Brands rarely publish thickness, lug width and lug-to-lug together. Each observation below is kept separate, with who gave it.
Case thickness
| Value | Type | Source | Date |
|---|---|---|---|
| 15.3 mm | Official | Grand Seiko | October 14, 2026 |
Lug-to-lug
| Value | Type | Source | Date |
|---|---|---|---|
| 51.5 mm | Official | Grand Seiko | October 14, 2026 |
Lug width
Lug width is the gap between the lugs, where the strap fits. It is not lug-to-lug.
| Value | Type | Source | Date |
|---|---|---|---|
| 23 mm | Official | Grand Seiko Published as “band width”. | October 14, 2026 |
Calibre source
Official Grand Seiko · retrieved October 14, 2026
Other versions in the same case
These references differ only by dial, bracelet or bezel colour. The brand gives them the same case dimensions, so the figures on this page apply to them too.
Other Evolution 9 references
| Watch | Ø | Thickness | Lug-to-lug | Calibre |
|---|---|---|---|---|
| Evolution 9 SLGA019 SLGA019G | 40 mm | 11.8 mm | 47.9 mm | 9RA2 |
| Evolution 9 SLGH005 “White Birch” SLGH005G | 40 mm | 11.7 mm | 47 mm | 9SA5 |
| Evolution 9 SLGW003 SLGW003G | 38.6 mm | 10 mm | 45 mm | 9SA4 |
| Evolution 9 SLGB003 SLGB003G | 37 mm | 11.4 mm | 44.3 mm | 9RB2 |
Other Grand Seiko models
| Watch | Ø | Thickness | Lug-to-lug | Calibre |
|---|---|---|---|---|
| Sport SBGE277 Spring Drive GMT SBGE277G | 44 mm | 14.7 mm | 50.8 mm | 9R66 |
| Sport SBGJ237 Mechanical GMT SBGJ237G | 44.2 mm | 14.4 mm | 50.6 mm | 9S86 |
| Sport SBGE257 Spring Drive GMT SBGE257G | 40.5 mm | 14.7 mm | 48.7 mm | 9R66 |
| Sport SBGM247 GMT SBGM247G | 40.5 mm | 14.4 mm | 48.6 mm | 9S66 |
| Elegance SBGM221 GMT SBGM221G | 39.5 mm | 13.7 mm | 46.9 mm | 9S66 |
| Heritage SBGA211 “Snowflake” SBGA211G | 41 mm | 12.5 mm | 49 mm | 9R65 |
Show 5 more
| Watch | Ø | Thickness | Lug-to-lug | Calibre |
|---|---|---|---|---|
| Heritage SBGA413 SBGA413G | 40 mm | 12.8 mm | 47 mm | 9R65 |
| Elegance SBGA407 “Skyflake” SBGA407G | 40.2 mm | 12.8 mm | 48.5 mm | 9R65 |
| Heritage SBGH341 SBGH341G | 38 mm | 12.9 mm | 44.7 mm | 9S85 |
| Elegance SBGY007 “Omiwatari” SBGY007G | 38.5 mm | 10.2 mm | 43.7 mm | 9R31 |
| Elegance SBGW301 SBGW301G | 37.3 mm | 11.7 mm | 44.3 mm | 9S64 |