Grand Seiko
Grand Seiko Grand Seiko Elegance Automatic 39.5 SBGM257
The Grand Seiko Grand Seiko Elegance Automatic 39.5 (reference SBGM257) is a 39.5 mm stainless steel watch with a navy dial. It runs on the automatic caliber 9S66 with a 72-hour power reserve.
Specifications
Case
- Reference
- SBGM257
- Collection
- Elegance
- Case size
- 39.5 mm
- Thickness
- 14.1 mm
- Case material
- Stainless steel
- Case shape
- Round
- Bracelet / strap
- Crocodile leather strap
Dial and bezel
- Dial
- Navy
Movement
- Movement
- Automatic
- Caliber
- 9S66
- Power reserve
- 72 hours
Production
- Production
- Current
Dial versions
This reference was made with these dials and finishes.
SBGM257 Navy
Spiral pattern; Moondrop
How it compares within the Elegance family
Side by side with other references in the same collection, from the catalog.
| Reference | Size | Material | Dial | Caliber | Years |
|---|---|---|---|---|---|
| SBGM257 (This watch) | 39.5 mm | Stainless steel | Navy | 9S66 | — |
| SBGA407 | 40.2 mm | Stainless steel | Light blue Snowflake pattern | 9R65 | — |
| SBGK007 | 39 mm | Stainless steel | White | 9S63 | — |
| SBGM221 | 39.5 mm | Stainless steel | Ivory | 9S66 | — |
| SBGM255 | 39.5 mm | Stainless steel | White | 9S66 | — |
| SBGW281 | 37.3 mm | Stainless steel | Champagne | 9S64 | — |
| SBGW301 | 37.3 mm | Stainless steel | Off-white | 9S64 | — |
| SBGW323 | 36.5 mm | Stainless steel | Lavender | 9S64 | 2025– |
| SBGY043 | 38.5 mm | Stainless steel | Blue | 9R31 | — |
About the Elegance family
Elegance is Grand Seiko's dress collection, with slimmer cases, refined dials often inspired by Japanese seasons and nature, and many hand-wound models. It is the line for buyers who want a classic watch rather than a sporty one.
The references in this catalog cover mechanical models with the hand-wound 9S63 and 9S64 calibers, hand-wound Spring Drive with the 9R31, automatic Spring Drive and quartz with the 9F61, mainly in steel. Dial texture and colour are central to each reference, so match them carefully, and check the case for over-polishing.
Quick answers
- What size is the Grand Seiko Grand Seiko Elegance Automatic 39.5 SBGM257?
- The Grand Seiko Grand Seiko Elegance Automatic 39.5 SBGM257 has a 39.5 mm case, 14.1 mm thick.
- What movement does the Grand Seiko Grand Seiko Elegance Automatic 39.5 SBGM257 use?
- It uses the automatic caliber 9S66, with a 72-hour power reserve.
- Is the Grand Seiko Grand Seiko Elegance Automatic 39.5 SBGM257 still in production?
- Yes, it is a current reference.
- What is the Grand Seiko Grand Seiko Elegance Automatic 39.5 SBGM257 made of?
- The case is stainless steel. Bracelet or strap: Crocodile leather strap.
Catalog facts checked October 2026.