Comparison
Seiko HKF001J1 vs Seiko SLA091J1
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 King Seiko family.
- Both use an automatic movement.
- Both cases measure 41 mm across.
- Seiko HKF001J1 has a titanium case; Seiko SLA091J1 is in stainless steel.
| Spec | HKF001J1 | SLA091J1 |
|---|---|---|
| Brand | Seiko | Seiko |
| Family | King Seiko | King Seiko |
| Reference | HKF001J1 | SLA091J1 |
| Production start | unknown | unknown |
| Production end | unknown | unknown |
| Status | Current | Current |
| Retail price | unknown | unknown |
| Case material | Titanium | Stainless steel |
| Diameter | 41 mm | 41 mm |
| Movement | Automatic | Automatic |
| Caliber | unknown | unknown |