Comparison
Casio GST-B400D vs Seiko SNJ025
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 solar movement.
- Casio GST-B400D is 1.8 mm larger (49.6 mm vs 47.8 mm).
- Both cases are resin.
| Spec | GST-B400D | SNJ025 |
|---|---|---|
| Brand | Casio | Seiko |
| Family | G-Shock | Prospex |
| Reference | GST-B400D | SNJ025 |
| Production start | unknown | unknown |
| Production end | unknown | unknown |
| Status | Current | Current |
| Retail price | unknown | unknown |
| Case material | Resin | Resin |
| Diameter | 49.6 mm | 47.8 mm |
| Casio GST-B400D is 1.8 mm larger | ||
| Movement | Solar | Solar |
| Caliber | Casio 5657 | unknown |
| Winding | unknown | unknown |
| Power reserve | unknown | unknown |
| Jewels | unknown | unknown |
| Frequency | unknown | unknown |
| Complications | unknown | unknown |