Comparison
Casio LF-20W vs Rotary RGN90000/31A
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 a quartz movement.
- Casio LF-20W is 0.2 mm larger (33.7 mm vs 33.5 mm).
| Spec | LF-20W | RGN90000/31A |
|---|---|---|
| Brand | Casio | Rotary |
| Family | Classic | Collection |
| Reference | LF-20W | RGN90000/31A |
| Production start | unknown | unknown |
| Production end | unknown | unknown |
| Status | Current | Current |
| Retail price | unknown | unknown |
| Case material | Resin | unknown |
| Diameter | 33.7 mm | 33.5 mm |
| Casio LF-20W is 0.2 mm larger | ||
| Movement | Quartz | Quartz |
| Caliber | Casio 3551 | unknown |
| Winding | unknown | unknown |
| Power reserve | unknown | unknown |
| Jewels | unknown | unknown |
| Frequency | unknown | unknown |
| Complications | unknown | unknown |