Comparison
Seiko 6139-7020 vs Seiko SRPJ81K1
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 5 Sports family.
| Spec | 6139-7020 | SRPJ81K1 |
|---|---|---|
| Brand | Seiko | Seiko |
| Family | 5 Sports | 5 Sports |
| Reference | 6139-7020 | SRPJ81K1 |
| 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 |