Comparison
Casio AQ-230EM vs Seiko 21407130
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.
- Seiko 21407130 is 0.1 mm larger (29.9 mm vs 29.8 mm).
- Casio AQ-230EM has a resin case; Seiko 21407130 is in stainless steel.
| Spec | AQ-230EM | 21407130 |
|---|---|---|
| Brand | Casio | Seiko |
| Family | Classic | Classic |
| Reference | AQ-230EM | 21407130 |
| Production start | unknown | unknown |
| Production end | unknown | unknown |
| Status | Current | unknown |
| Retail price | unknown | unknown |
| Case material | Resin | Stainless steel |
| Diameter | 29.8 mm | 29.9 mm |
| Seiko 21407130 is 0.1 mm larger | ||
| Movement | Quartz | Quartz |
| Caliber | Casio 5154 | unknown |
| Winding | unknown | unknown |
| Power reserve | unknown | unknown |
| Jewels | unknown | unknown |
| Frequency | unknown | unknown |
| Complications | unknown | unknown |