Comparison
Seiko SNK809 vs Sinn 556 A
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.
- Sinn 556 A is 1.5 mm larger (38.5 mm vs 37 mm).
- Both cases are stainless steel.
- Sinn 556 A is in current production; Seiko SNK809 is discontinued.
| Spec | SNK809 | 556 A |
|---|---|---|
| Brand | Seiko | Sinn |
| Family | 5 Sports | Instrument Watches |
| Reference | SNK809 | 556 A |
| Production start | unknown | unknown |
| Production end | unknown | unknown |
| Status | Discontinued | Current |
| Retail price | unknown | unknown |
| Case material | Stainless steel | Stainless steel |
| Diameter | 37 mm | 38.5 mm |
| Sinn 556 A is 1.5 mm larger | ||
| Movement | Automatic | Automatic |
| Caliber | Seiko 7S26C | unknown |
| Winding | Automatic | unknown |
| Power reserve | unknown | unknown |
| Jewels | 21 | unknown |
| Frequency | 21,600 vph | unknown |
| Complications | unknown | unknown |