Comparison
Grand Seiko SBGA391 vs Seiko SNR025J1
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 use a spring drive movement.
- Seiko SNR025J1 is 0.6 mm larger (44.8 mm vs 44.2 mm).
| Spec | SBGA391 | SNR025J1 |
|---|---|---|
| Brand | Grand Seiko | Seiko |
| Family | Collection | Prospex |
| Reference | SBGA391 | SNR025J1 |
| Production start | unknown | unknown |
| Production end | unknown | unknown |
| Status | Current | Current |
| Retail price | unknown | unknown |
| Case material | unknown | Titanium |
| Diameter | 44.2 mm | 44.8 mm |
| Seiko SNR025J1 is 0.6 mm larger | ||
| Movement | Spring drive | Spring drive |
| Caliber | unknown | unknown |