Comparison
Orient RA-AC0M09E30B-UL020017J0 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 0.1 mm larger (38.5 mm vs 38.4 mm).
- Both cases are stainless steel.
| Spec | RA-AC0M09E30B-UL020017J0 | 556 A |
|---|---|---|
| Brand | Orient | Sinn |
| Family | Bambino | Instrument Watches |
| Reference | RA-AC0M09E30B-UL020017J0 | 556 A |
| Production start | unknown | unknown |
| Production end | unknown | unknown |
| Status | Current | Current |
| Retail price | unknown | unknown |
| Case material | Stainless steel | Stainless steel |
| Diameter | 38.4 mm | 38.5 mm |
| Sinn 556 A is 0.1 mm larger | ||
| Movement | Automatic | Automatic |
| Caliber | Orient F6724 | unknown |
| Winding | Automatic | unknown |
| Power reserve | 40 hours | unknown |
| Jewels | unknown | unknown |
| Frequency | unknown | unknown |
| Complications | unknown | unknown |