Comparison
Grand Seiko STGK007 vs Seiko SRE003
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 an automatic movement.
- Seiko SRE003 is 0.2 mm larger (28 mm vs 27.8 mm).
| Spec | STGK007 | SRE003 |
|---|---|---|
| Brand | Grand Seiko | Seiko |
| Family | Collection | 5 Sports |
| Reference | STGK007 | SRE003 |
| Production start | unknown | unknown |
| Production end | unknown | unknown |
| Status | Current | Current |
| Retail price | unknown | unknown |
| Case material | unknown | Stainless steel |
| Diameter | 27.8 mm | 28 mm |
| Seiko SRE003 is 0.2 mm larger | ||
| Movement | Automatic | Automatic |
| Caliber | Seiko 9S2 | unknown |
| Winding | Automatic | unknown |
| Power reserve | 50 hours | unknown |
| Jewels | unknown | unknown |
| Frequency | unknown | unknown |
| Complications | unknown | unknown |