Comparison
Seiko 6138-3000 vs Seiko 7A28-7120
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 Seiko Chronograph family.
| Spec | 6138-3000 | 7A28-7120 |
|---|---|---|
| Brand | Seiko | Seiko |
| Family | Chronograph | Chronograph |
| Reference | 6138-3000 | 7A28-7120 |
| Production start | unknown | unknown |
| Production end | unknown | unknown |
| Status | unknown | unknown |
| Retail price | unknown | unknown |
| Case material | unknown | unknown |
| Diameter | unknown | unknown |
| Movement | unknown | unknown |
| Caliber | unknown | unknown |