Comparison
Chronoswiss Ch-8521R vs Citizen Promaster Air
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.
- Both cases measure 40 mm across.
- Chronoswiss Ch-8521R has a rose gold case; Citizen Promaster Air is in titanium.
| Spec | Ch-8521R | Promaster Air |
|---|---|---|
| Brand | Chronoswiss | Citizen |
| Family | Sirius | Promaster |
| Reference | Ch-8521R | Promaster Air |
| Production start | unknown | unknown |
| Production end | unknown | unknown |
| Status | Current | Current |
| Retail price | unknown | unknown |
| Case material | Rose gold | Titanium |
| Diameter | 40 mm | 40 mm |
| Movement | Automatic | Automatic |
| Caliber | unknown | unknown |