Comparison
Grand Seiko SBGC231 vs Grand Seiko SBGE305
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 Sport Collection family.
- Grand Seiko SBGC231 is 4 mm larger (44.5 mm vs 40.5 mm).
- Grand Seiko SBGC231 has a titanium case; Grand Seiko SBGE305 is in stainless steel.
| Spec | SBGC231 | SBGE305 |
|---|---|---|
| Brand | Grand Seiko | Grand Seiko |
| Family | Sport Collection | Sport Collection |
| Reference | SBGC231 | SBGE305 |
| Production start | unknown | unknown |
| Production end | unknown | unknown |
| Status | unknown | unknown |
| Retail price | unknown | unknown |
| Case material | Titanium | Stainless steel |
| Diameter | 44.5 mm | 40.5 mm |
| Grand Seiko SBGC231 is 4 mm larger | ||
| Movement | unknown | unknown |
| Caliber | unknown | unknown |