Comparison
Rado R30017712 vs Seiko SJE121J1
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.
- Rado R30017712 is 0.1 mm larger (39.5 mm vs 39.4 mm).
- Both cases are stainless steel.
| Spec | R30017712 | SJE121J1 |
|---|---|---|
| Brand | Rado | Seiko |
| Family | Centrix | King Seiko |
| Reference | R30017712 | SJE121J1 |
| Production start | unknown | unknown |
| Production end | unknown | unknown |
| Status | Current | Current |
| Retail price | unknown | unknown |
| Case material | Stainless steel | Stainless steel |
| Diameter | 39.5 mm | 39.4 mm |
| Rado R30017712 is 0.1 mm larger | ||
| Movement | Automatic | Automatic |
| Caliber | unknown | unknown |