Comparison
Grand Seiko SBGA407G vs Grand Seiko SBGA391
Sourced specs side by side. A value is highlighted only where one is objectively greater (power reserve); size and the rest are a matter of taste. unknown means no sourced value yet.
At a glance
- Both belong to the Grand Seiko Collection family.
- Both use a spring drive movement.
- Grand Seiko SBGA391 is 4 mm larger (44.2 mm vs 40.2 mm).
| Spec | SBGA407G | SBGA391 |
|---|---|---|
| Brand | Grand Seiko | Grand Seiko |
| Family | Collection | Collection |
| Reference | SBGA407G | SBGA391 |
| Production start | unknown | unknown |
| Production end | unknown | unknown |
| Status | unknown | Current |
| Retail price | unknown | unknown |
| Case material | unknown | unknown |
| Diameter | 40.2 mm | 44.2 mm |
| Grand Seiko SBGA391 is 4 mm larger | ||
| Movement | Spring drive | Spring drive |
| Caliber | unknown | unknown |