Comparison
Citizen BY1010-57X vs Seiko HAB007J1
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.
- Seiko HAB007J1 is 0.2 mm larger (43.2 mm vs 43 mm).
- Both cases are titanium.
| Spec | BY1010-57X | HAB007J1 |
|---|---|---|
| Brand | Citizen | Seiko |
| Family | Tsuki-yomi | Astron |
| Reference | BY1010-57X | HAB007J1 |
| Production start | unknown | unknown |
| Production end | unknown | unknown |
| Status | Current | Current |
| Retail price | unknown | unknown |
| Case material | Titanium | Titanium |
| Diameter | 43 mm | 43.2 mm |
| Seiko HAB007J1 is 0.2 mm larger | ||
| Movement | Solar | Solar |
| Caliber | unknown | unknown |